derek.holloway
7502bf64a4
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679 lines
20 KiB
LLVM
679 lines
20 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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;RUN: llc -mtriple=sparc < %s -verify-machineinstrs | FileCheck %s
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;RUN: llc -mtriple=sparc -O0 < %s -verify-machineinstrs | FileCheck %s -check-prefix=UNOPT
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target triple = "sparc-unknown-linux-gnu"
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define i32 @test(i32 %a) #0 {
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; CHECK-LABEL: test:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: call bar
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; CHECK-NEXT: mov %i0, %o0
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; CHECK-NEXT: ret
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; CHECK-NEXT: restore %g0, %o0, %o0
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;
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; UNOPT-LABEL: test:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: mov %i0, %o0
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %o0, %o0
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entry:
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%0 = tail call i32 @bar(i32 %a) nounwind
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ret i32 %0
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}
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define i32 @test_jmpl(ptr nocapture %f, i32 %a, i32 %b) #0 {
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; CHECK-LABEL: test_jmpl:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: mov %i2, %o1
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; CHECK-NEXT: call %i0
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; CHECK-NEXT: mov %i1, %o0
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; CHECK-NEXT: ret
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; CHECK-NEXT: restore %g0, %o0, %o0
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;
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; UNOPT-LABEL: test_jmpl:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: mov %i2, %o1
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; UNOPT-NEXT: call %i0
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; UNOPT-NEXT: mov %i1, %o0
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %o0, %o0
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entry:
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%0 = tail call i32 %f(i32 %a, i32 %b) nounwind
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ret i32 %0
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}
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define i32 @test_loop(i32 %a, i32 %b) nounwind readnone {
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; CHECK-LABEL: test_loop:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: cmp %o1, 1
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; CHECK-NEXT: bl .LBB2_3
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; CHECK-NEXT: nop
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; CHECK-NEXT: ! %bb.1: ! %bb.preheader
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; CHECK-NEXT: mov %g0, %o2
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; CHECK-NEXT: mov %g0, %o3
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; CHECK-NEXT: mov 1, %o4
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; CHECK-NEXT: .LBB2_2: ! %bb
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; CHECK-NEXT: ! =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: andn %o4, %o3, %o5
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; CHECK-NEXT: sll %o2, %o5, %o5
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; CHECK-NEXT: add %o5, %o0, %o0
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; CHECK-NEXT: add %o3, 1, %o3
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; CHECK-NEXT: cmp %o1, %o3
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; CHECK-NEXT: bne .LBB2_2
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; CHECK-NEXT: add %o2, %o1, %o2
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; CHECK-NEXT: .LBB2_3: ! %bb5
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; CHECK-NEXT: retl
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; CHECK-NEXT: nop
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;
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; UNOPT-LABEL: test_loop:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: add %sp, -104, %sp
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; UNOPT-NEXT: mov %o1, %o2
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; UNOPT-NEXT: st %o2, [%sp+92] ! 4-byte Folded Spill
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; UNOPT-NEXT: mov %o0, %o1
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; UNOPT-NEXT: mov %g0, %o0
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; UNOPT-NEXT: cmp %o2, 1
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; UNOPT-NEXT: st %o1, [%sp+96] ! 4-byte Folded Spill
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; UNOPT-NEXT: bl .LBB2_2
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; UNOPT-NEXT: st %o0, [%sp+100]
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; UNOPT-NEXT: ba .LBB2_1
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; UNOPT-NEXT: nop
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; UNOPT-NEXT: .LBB2_1: ! %bb
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; UNOPT-NEXT: ! =>This Inner Loop Header: Depth=1
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; UNOPT-NEXT: ld [%sp+100], %o0 ! 4-byte Folded Reload
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; UNOPT-NEXT: ld [%sp+96], %o3 ! 4-byte Folded Reload
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; UNOPT-NEXT: ld [%sp+92], %o2 ! 4-byte Folded Reload
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; UNOPT-NEXT: smul %o0, %o2, %o1
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; UNOPT-NEXT: mov 1, %o4
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; UNOPT-NEXT: andn %o4, %o0, %o4
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; UNOPT-NEXT: sll %o1, %o4, %o1
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; UNOPT-NEXT: add %o1, %o3, %o1
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; UNOPT-NEXT: add %o0, 1, %o0
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; UNOPT-NEXT: cmp %o0, %o2
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; UNOPT-NEXT: st %o1, [%sp+96] ! 4-byte Folded Spill
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; UNOPT-NEXT: bne .LBB2_1
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; UNOPT-NEXT: st %o0, [%sp+100]
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; UNOPT-NEXT: ba .LBB2_2
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; UNOPT-NEXT: nop
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; UNOPT-NEXT: .LBB2_2: ! %bb5
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; UNOPT-NEXT: ld [%sp+96], %o0 ! 4-byte Folded Reload
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; UNOPT-NEXT: retl
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; UNOPT-NEXT: add %sp, 104, %sp
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entry:
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%0 = icmp sgt i32 %b, 0
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br i1 %0, label %bb, label %bb5
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bb: ; preds = %entry, %bb
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%a_addr.18 = phi i32 [ %a_addr.0, %bb ], [ %a, %entry ]
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%1 = phi i32 [ %3, %bb ], [ 0, %entry ]
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%tmp9 = mul i32 %1, %b
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%2 = and i32 %1, 1
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%tmp = xor i32 %2, 1
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%.pn = shl i32 %tmp9, %tmp
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%a_addr.0 = add i32 %.pn, %a_addr.18
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%3 = add nsw i32 %1, 1
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%exitcond = icmp eq i32 %3, %b
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br i1 %exitcond, label %bb5, label %bb
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bb5: ; preds = %bb, %entry
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%a_addr.1.lcssa = phi i32 [ %a, %entry ], [ %a_addr.0, %bb ]
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ret i32 %a_addr.1.lcssa
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}
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define i32 @test_inlineasm(i32 %a) #0 {
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; CHECK-LABEL: test_inlineasm:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: mov %i0, %o0
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; CHECK-NEXT: cmp %i0, -1
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; CHECK-NEXT: !APP
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; CHECK-NEXT: sethi 0, %g0
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; CHECK-NEXT: !NO_APP
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; CHECK-NEXT: ble .LBB3_2
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; CHECK-NEXT: nop
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; CHECK-NEXT: ! %bb.1: ! %bb1
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; CHECK-NEXT: call bar
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; CHECK-NEXT: nop
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; CHECK-NEXT: ba .LBB3_3
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; CHECK-NEXT: nop
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; CHECK-NEXT: .LBB3_2: ! %bb
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; CHECK-NEXT: call foo
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; CHECK-NEXT: nop
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; CHECK-NEXT: .LBB3_3: ! %bb
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; CHECK-NEXT: ret
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; CHECK-NEXT: restore %g0, %o0, %o0
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;
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; UNOPT-LABEL: test_inlineasm:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: st %i0, [%fp+-4] ! 4-byte Folded Spill
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; UNOPT-NEXT: !APP
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; UNOPT-NEXT: sethi 0, %g0
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; UNOPT-NEXT: !NO_APP
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; UNOPT-NEXT: cmp %i0, -1
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; UNOPT-NEXT: bg .LBB3_2
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; UNOPT-NEXT: nop
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; UNOPT-NEXT: ba .LBB3_1
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; UNOPT-NEXT: nop
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; UNOPT-NEXT: .LBB3_1: ! %bb
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; UNOPT-NEXT: call foo
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; UNOPT-NEXT: ld [%fp+-4], %o0
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %o0, %o0
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; UNOPT-NEXT: .LBB3_2: ! %bb1
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: ld [%fp+-4], %o0
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %o0, %o0
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entry:
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tail call void asm sideeffect "sethi 0, %g0", ""() nounwind
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%0 = icmp slt i32 %a, 0
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br i1 %0, label %bb, label %bb1
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bb: ; preds = %entry
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%1 = tail call i32 (...) @foo(i32 %a) nounwind
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ret i32 %1
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bb1: ; preds = %entry
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%2 = tail call i32 @bar(i32 %a) nounwind
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ret i32 %2
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}
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declare i32 @foo(...)
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declare i32 @bar(i32)
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define i32 @test_implicit_def() #0 {
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; CHECK-LABEL: test_implicit_def:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: call func
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; CHECK-NEXT: nop
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; CHECK-NEXT: ret
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; CHECK-NEXT: restore %g0, %g0, %o0
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;
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; UNOPT-LABEL: test_implicit_def:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: ! implicit-def: $o0
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; UNOPT-NEXT: call func
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; UNOPT-NEXT: nop
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %g0, %o0
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entry:
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%0 = tail call i32 @func(ptr undef) nounwind
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ret i32 0
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}
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define i32 @prevent_o7_in_call_delay_slot(i32 %i0) #0 {
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; CHECK-LABEL: prevent_o7_in_call_delay_slot:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: add %i0, 2, %o5
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; CHECK-NEXT: add %i0, 3, %o7
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; CHECK-NEXT: !APP
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; CHECK-NEXT: !NO_APP
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; CHECK-NEXT: add %o5, %o7, %o0
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; CHECK-NEXT: call bar
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; CHECK-NEXT: nop
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; CHECK-NEXT: ret
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; CHECK-NEXT: restore %g0, %o0, %o0
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;
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; UNOPT-LABEL: prevent_o7_in_call_delay_slot:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -104, %sp
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; UNOPT-NEXT: add %i0, 2, %o5
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; UNOPT-NEXT: st %o5, [%fp+-4] ! 4-byte Folded Spill
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; UNOPT-NEXT: add %i0, 3, %o7
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; UNOPT-NEXT: st %o7, [%fp+-8] ! 4-byte Folded Spill
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; UNOPT-NEXT: !APP
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; UNOPT-NEXT: !NO_APP
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; UNOPT-NEXT: ld [%fp+-8], %i1 ! 4-byte Folded Reload
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; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: add %i0, %i1, %o0
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; UNOPT-NEXT: ret
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; UNOPT-NEXT: restore %g0, %o0, %o0
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entry:
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%0 = add nsw i32 %i0, 2
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%1 = add nsw i32 %i0, 3
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tail call void asm sideeffect "", "r,r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0, i32 %1)
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%2 = add nsw i32 %0, %1
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%3 = call i32 @bar(i32 %2)
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ret i32 %3
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}
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define i32 @prevent_o7_in_restore_add_in_call_delay_slot(i32 %i0) nounwind {
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; CHECK-LABEL: prevent_o7_in_restore_add_in_call_delay_slot:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: add %i0, 2, %o5
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; CHECK-NEXT: add %i0, 3, %o7
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; CHECK-NEXT: !APP
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; CHECK-NEXT: !NO_APP
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; CHECK-NEXT: add %o5, %o7, %i0
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; CHECK-NEXT: call bar
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; CHECK-NEXT: restore
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;
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; UNOPT-LABEL: prevent_o7_in_restore_add_in_call_delay_slot:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -104, %sp
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; UNOPT-NEXT: add %i0, 2, %o5
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; UNOPT-NEXT: st %o5, [%fp+-4] ! 4-byte Folded Spill
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; UNOPT-NEXT: add %i0, 3, %o7
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; UNOPT-NEXT: st %o7, [%fp+-8] ! 4-byte Folded Spill
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; UNOPT-NEXT: !APP
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; UNOPT-NEXT: !NO_APP
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; UNOPT-NEXT: ld [%fp+-8], %i1 ! 4-byte Folded Reload
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; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: restore %i0, %i1, %o0
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entry:
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%0 = add nsw i32 %i0, 2
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%1 = add nsw i32 %i0, 3
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tail call void asm sideeffect "", "r,r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0, i32 %1)
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%2 = add nsw i32 %0, %1
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%3 = tail call i32 @bar(i32 %2)
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ret i32 %3
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}
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define i32 @prevent_o7_in_restore_add_ri_in_call_delay_slot(i32 %i0, i32 %i1) nounwind {
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; CHECK-LABEL: prevent_o7_in_restore_add_ri_in_call_delay_slot:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: add %i0, %i1, %o7
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; CHECK-NEXT: !APP
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; CHECK-NEXT: !NO_APP
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; CHECK-NEXT: add %o7, 1, %i0
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; CHECK-NEXT: call bar
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; CHECK-NEXT: restore
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;
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; UNOPT-LABEL: prevent_o7_in_restore_add_ri_in_call_delay_slot:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: add %i0, %i1, %o7
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; UNOPT-NEXT: st %o7, [%fp+-4] ! 4-byte Folded Spill
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; UNOPT-NEXT: !APP
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; UNOPT-NEXT: !NO_APP
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; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: restore %i0, 1, %o0
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entry:
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%0 = add nsw i32 %i0, %i1
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tail call void asm sideeffect "", "r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0)
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%2 = add nsw i32 %0, 1
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%3 = tail call i32 @bar(i32 %2)
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ret i32 %3
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}
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define i32 @prevent_o7_in_restore_or_in_call_delay_slot(i32 %i0) nounwind {
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; CHECK-LABEL: prevent_o7_in_restore_or_in_call_delay_slot:
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; CHECK: ! %bb.0: ! %entry
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; CHECK-NEXT: save %sp, -96, %sp
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; CHECK-NEXT: add %i0, 2, %o7
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; CHECK-NEXT: !APP
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; CHECK-NEXT: !NO_APP
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; CHECK-NEXT: mov %o7, %i0
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; CHECK-NEXT: call bar
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; CHECK-NEXT: restore
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;
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; UNOPT-LABEL: prevent_o7_in_restore_or_in_call_delay_slot:
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; UNOPT: ! %bb.0: ! %entry
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; UNOPT-NEXT: save %sp, -96, %sp
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; UNOPT-NEXT: add %i0, 2, %o7
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; UNOPT-NEXT: st %o7, [%fp+-4] ! 4-byte Folded Spill
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; UNOPT-NEXT: !APP
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; UNOPT-NEXT: !NO_APP
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; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
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; UNOPT-NEXT: call bar
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; UNOPT-NEXT: restore
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entry:
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%0 = add nsw i32 %i0, 2
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|
tail call void asm sideeffect "", "r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0)
|
|
%1 = tail call i32 @bar(i32 %0)
|
|
ret i32 %1
|
|
}
|
|
|
|
declare i32 @func(ptr)
|
|
|
|
|
|
define i32 @restore_add(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: restore_add:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %o0, %i1, %o0
|
|
;
|
|
; UNOPT-LABEL: restore_add:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -96, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore %o0, %i1, %o0
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = add nsw i32 %0, %b
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @restore_add_imm(i32 %a) {
|
|
; CHECK-LABEL: restore_add_imm:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %o0, 20, %o0
|
|
;
|
|
; UNOPT-LABEL: restore_add_imm:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -96, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore %o0, 20, %o0
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = add nsw i32 %0, 20
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @restore_or(i32 %a) #0 {
|
|
; CHECK-LABEL: restore_or:
|
|
; CHECK: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, %o0, %o0
|
|
;
|
|
; UNOPT-LABEL: restore_or:
|
|
; UNOPT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -96, %sp
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore %g0, %o0, %o0
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
ret i32 %0
|
|
}
|
|
|
|
define i32 @restore_or_imm(i32 %a) {
|
|
; CHECK-LABEL: restore_or_imm:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: or %o0, 20, %i0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore
|
|
;
|
|
; UNOPT-LABEL: restore_or_imm:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -96, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: or %o0, 20, %i0
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = or i32 %0, 20
|
|
ret i32 %1
|
|
}
|
|
|
|
|
|
define i32 @restore_sethi(i32 %a) {
|
|
; CHECK-LABEL: restore_sethi:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: cmp %o0, 0
|
|
; CHECK-NEXT: bne .LBB13_2
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: ! %bb.1: ! %entry
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, %g0, %o0
|
|
; CHECK-NEXT: .LBB13_2:
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, 3072, %o0
|
|
;
|
|
; UNOPT-LABEL: restore_sethi:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -104, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: mov %g0, %i0
|
|
; UNOPT-NEXT: st %i0, [%fp+-8] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: sethi 3, %i0
|
|
; UNOPT-NEXT: cmp %o0, 0
|
|
; UNOPT-NEXT: bne .LBB13_2
|
|
; UNOPT-NEXT: st %i0, [%fp+-4]
|
|
; UNOPT-NEXT: ! %bb.1: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: st %i0, [%fp+-4] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: .LBB13_2: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = icmp ne i32 %0, 0
|
|
%2 = select i1 %1, i32 3072, i32 0
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @restore_sethi_3bit(i32 %a) {
|
|
; CHECK-LABEL: restore_sethi_3bit:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: cmp %o0, 0
|
|
; CHECK-NEXT: bne .LBB14_2
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: ! %bb.1: ! %entry
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, %g0, %o0
|
|
; CHECK-NEXT: .LBB14_2:
|
|
; CHECK-NEXT: sethi 6, %i0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore
|
|
;
|
|
; UNOPT-LABEL: restore_sethi_3bit:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -104, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: mov %g0, %i0
|
|
; UNOPT-NEXT: st %i0, [%fp+-8] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: sethi 6, %i0
|
|
; UNOPT-NEXT: cmp %o0, 0
|
|
; UNOPT-NEXT: bne .LBB14_2
|
|
; UNOPT-NEXT: st %i0, [%fp+-4]
|
|
; UNOPT-NEXT: ! %bb.1: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: st %i0, [%fp+-4] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: .LBB14_2: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = icmp ne i32 %0, 0
|
|
%2 = select i1 %1, i32 6144, i32 0
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @restore_sethi_large(i32 %a) {
|
|
; CHECK-LABEL: restore_sethi_large:
|
|
; CHECK: .cfi_startproc
|
|
; CHECK-NEXT: ! %bb.0: ! %entry
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: .cfi_def_cfa_register %fp
|
|
; CHECK-NEXT: .cfi_window_save
|
|
; CHECK-NEXT: .cfi_register %o7, %i7
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: cmp %o0, 0
|
|
; CHECK-NEXT: bne .LBB15_2
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: ! %bb.1: ! %entry
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, %g0, %o0
|
|
; CHECK-NEXT: .LBB15_2:
|
|
; CHECK-NEXT: sethi 4000, %i0
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore
|
|
;
|
|
; UNOPT-LABEL: restore_sethi_large:
|
|
; UNOPT: .cfi_startproc
|
|
; UNOPT-NEXT: ! %bb.0: ! %entry
|
|
; UNOPT-NEXT: save %sp, -104, %sp
|
|
; UNOPT-NEXT: .cfi_def_cfa_register %fp
|
|
; UNOPT-NEXT: .cfi_window_save
|
|
; UNOPT-NEXT: .cfi_register %o7, %i7
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i0, %o0
|
|
; UNOPT-NEXT: mov %g0, %i0
|
|
; UNOPT-NEXT: st %i0, [%fp+-8] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: sethi 4000, %i0
|
|
; UNOPT-NEXT: cmp %o0, 0
|
|
; UNOPT-NEXT: bne .LBB15_2
|
|
; UNOPT-NEXT: st %i0, [%fp+-4]
|
|
; UNOPT-NEXT: ! %bb.1: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: st %i0, [%fp+-4] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: .LBB15_2: ! %entry
|
|
; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore
|
|
entry:
|
|
%0 = tail call i32 @bar(i32 %a) nounwind
|
|
%1 = icmp ne i32 %0, 0
|
|
%2 = select i1 %1, i32 4096000, i32 0
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @test_generic_inst(i32 %arg) #0 {
|
|
; CHECK-LABEL: test_generic_inst:
|
|
; CHECK: ! %bb.0:
|
|
; CHECK-NEXT: save %sp, -96, %sp
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: mov %i0, %o0
|
|
; CHECK-NEXT: andcc %o0, 1, %g0
|
|
; CHECK-NEXT: ! fake_use: $i0
|
|
; CHECK-NEXT: bne .LBB16_2
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: ! %bb.1: ! %true
|
|
; CHECK-NEXT: call bar
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %g0, %o0, %o0
|
|
; CHECK-NEXT: .LBB16_2: ! %false
|
|
; CHECK-NEXT: ret
|
|
; CHECK-NEXT: restore %o0, 1, %o0
|
|
;
|
|
; UNOPT-LABEL: test_generic_inst:
|
|
; UNOPT: ! %bb.0:
|
|
; UNOPT-NEXT: save %sp, -104, %sp
|
|
; UNOPT-NEXT: mov %i0, %i1
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: mov %i1, %o0
|
|
; UNOPT-NEXT: mov %o0, %i0
|
|
; UNOPT-NEXT: st %i0, [%fp+-4] ! 4-byte Folded Spill
|
|
; UNOPT-NEXT: and %o0, 1, %i0
|
|
; UNOPT-NEXT: ! fake_use: $i1
|
|
; UNOPT-NEXT: cmp %i0, 0
|
|
; UNOPT-NEXT: bne .LBB16_2
|
|
; UNOPT-NEXT: nop
|
|
; UNOPT-NEXT: ba .LBB16_1
|
|
; UNOPT-NEXT: nop
|
|
; UNOPT-NEXT: .LBB16_1: ! %true
|
|
; UNOPT-NEXT: call bar
|
|
; UNOPT-NEXT: ld [%fp+-4], %o0
|
|
; UNOPT-NEXT: ba .LBB16_3
|
|
; UNOPT-NEXT: st %o0, [%fp+-8]
|
|
; UNOPT-NEXT: .LBB16_2: ! %false
|
|
; UNOPT-NEXT: ld [%fp+-4], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: add %i0, 1, %i0
|
|
; UNOPT-NEXT: ba .LBB16_3
|
|
; UNOPT-NEXT: st %i0, [%fp+-8]
|
|
; UNOPT-NEXT: .LBB16_3: ! %cont
|
|
; UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
|
|
; UNOPT-NEXT: ret
|
|
; UNOPT-NEXT: restore
|
|
%bar1 = call i32 @bar(i32 %arg)
|
|
%even = and i32 %bar1, 1
|
|
%cmp = icmp eq i32 %even, 0
|
|
; This shouldn't get reordered into a delay slot
|
|
call void (...) @llvm.fake.use(i32 %arg)
|
|
br i1 %cmp, label %true, label %false
|
|
true:
|
|
%bar2 = call i32 @bar(i32 %bar1)
|
|
br label %cont
|
|
|
|
false:
|
|
%inc = add nsw i32 %bar1, 1
|
|
br label %cont
|
|
|
|
cont:
|
|
%ret = phi i32 [ %bar2, %true ], [ %inc, %false ]
|
|
ret i32 %ret
|
|
}
|
|
|
|
declare void @llvm.fake.use(...)
|
|
attributes #0 = { nounwind "disable-tail-calls"="true" }
|