derek.holloway
7502bf64a4
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115 lines
4.0 KiB
LLVM
115 lines
4.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch64 -mattr=+d -O0 < %s | FileCheck %s --check-prefix=NOSHRINKW
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; RUN: llc --mtriple=loongarch64 -mattr=+d -O2 < %s | FileCheck %s --check-prefix=SHRINKW
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declare void @abort()
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define void @eliminate_restore(i32 %n) nounwind {
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; NOSHRINKW-LABEL: eliminate_restore:
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; NOSHRINKW: # %bb.0:
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; NOSHRINKW-NEXT: addi.d $sp, $sp, -16
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; NOSHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; NOSHRINKW-NEXT: addi.w $a1, $a0, 0
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; NOSHRINKW-NEXT: ori $a0, $zero, 32
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; NOSHRINKW-NEXT: bltu $a0, $a1, .LBB0_2
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; NOSHRINKW-NEXT: b .LBB0_1
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; NOSHRINKW-NEXT: .LBB0_1: # %if.then
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; NOSHRINKW-NEXT: pcaddu18i $ra, %call36(abort)
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; NOSHRINKW-NEXT: jirl $ra, $ra, 0
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; NOSHRINKW-NEXT: .LBB0_2: # %if.end
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; NOSHRINKW-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; NOSHRINKW-NEXT: addi.d $sp, $sp, 16
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; NOSHRINKW-NEXT: ret
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;
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; SHRINKW-LABEL: eliminate_restore:
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; SHRINKW: # %bb.0:
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; SHRINKW-NEXT: addi.w $a0, $a0, 0
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; SHRINKW-NEXT: ori $a1, $zero, 32
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; SHRINKW-NEXT: bgeu $a1, $a0, .LBB0_2
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; SHRINKW-NEXT: # %bb.1: # %if.end
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; SHRINKW-NEXT: ret
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; SHRINKW-NEXT: .LBB0_2: # %if.then
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; SHRINKW-NEXT: addi.d $sp, $sp, -16
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; SHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; SHRINKW-NEXT: pcaddu18i $ra, %call36(abort)
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; SHRINKW-NEXT: jirl $ra, $ra, 0
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%cmp = icmp ule i32 %n, 32
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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call void @abort()
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unreachable
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if.end:
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ret void
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}
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declare void @notdead(ptr)
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define void @conditional_alloca(i32 %n) nounwind {
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; NOSHRINKW-LABEL: conditional_alloca:
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; NOSHRINKW: # %bb.0:
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; NOSHRINKW-NEXT: addi.d $sp, $sp, -32
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; NOSHRINKW-NEXT: st.d $ra, $sp, 24 # 8-byte Folded Spill
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; NOSHRINKW-NEXT: st.d $fp, $sp, 16 # 8-byte Folded Spill
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; NOSHRINKW-NEXT: addi.d $fp, $sp, 32
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; NOSHRINKW-NEXT: addi.w $a1, $a0, 0
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; NOSHRINKW-NEXT: st.d $a0, $fp, -24 # 8-byte Folded Spill
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; NOSHRINKW-NEXT: ori $a0, $zero, 32
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; NOSHRINKW-NEXT: bltu $a0, $a1, .LBB1_2
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; NOSHRINKW-NEXT: b .LBB1_1
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; NOSHRINKW-NEXT: .LBB1_1: # %if.then
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; NOSHRINKW-NEXT: ld.d $a0, $fp, -24 # 8-byte Folded Reload
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; NOSHRINKW-NEXT: bstrpick.d $a0, $a0, 31, 0
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; NOSHRINKW-NEXT: addi.d $a0, $a0, 15
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; NOSHRINKW-NEXT: bstrpick.d $a0, $a0, 32, 4
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; NOSHRINKW-NEXT: slli.d $a1, $a0, 4
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; NOSHRINKW-NEXT: move $a0, $sp
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; NOSHRINKW-NEXT: sub.d $a0, $a0, $a1
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; NOSHRINKW-NEXT: move $sp, $a0
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; NOSHRINKW-NEXT: pcaddu18i $ra, %call36(notdead)
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; NOSHRINKW-NEXT: jirl $ra, $ra, 0
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; NOSHRINKW-NEXT: b .LBB1_2
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; NOSHRINKW-NEXT: .LBB1_2: # %if.end
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; NOSHRINKW-NEXT: addi.d $sp, $fp, -32
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; NOSHRINKW-NEXT: ld.d $fp, $sp, 16 # 8-byte Folded Reload
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; NOSHRINKW-NEXT: ld.d $ra, $sp, 24 # 8-byte Folded Reload
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; NOSHRINKW-NEXT: addi.d $sp, $sp, 32
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; NOSHRINKW-NEXT: ret
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;
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; SHRINKW-LABEL: conditional_alloca:
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; SHRINKW: # %bb.0:
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; SHRINKW-NEXT: addi.w $a1, $a0, 0
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; SHRINKW-NEXT: ori $a2, $zero, 32
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; SHRINKW-NEXT: bltu $a2, $a1, .LBB1_2
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; SHRINKW-NEXT: # %bb.1: # %if.then
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; SHRINKW-NEXT: addi.d $sp, $sp, -16
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; SHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; SHRINKW-NEXT: st.d $fp, $sp, 0 # 8-byte Folded Spill
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; SHRINKW-NEXT: addi.d $fp, $sp, 16
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; SHRINKW-NEXT: bstrpick.d $a0, $a0, 31, 0
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; SHRINKW-NEXT: addi.d $a0, $a0, 15
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; SHRINKW-NEXT: bstrpick.d $a0, $a0, 32, 4
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; SHRINKW-NEXT: slli.d $a0, $a0, 4
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; SHRINKW-NEXT: sub.d $a0, $sp, $a0
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; SHRINKW-NEXT: move $sp, $a0
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; SHRINKW-NEXT: pcaddu18i $ra, %call36(notdead)
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; SHRINKW-NEXT: jirl $ra, $ra, 0
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; SHRINKW-NEXT: addi.d $sp, $fp, -16
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; SHRINKW-NEXT: ld.d $fp, $sp, 0 # 8-byte Folded Reload
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; SHRINKW-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; SHRINKW-NEXT: addi.d $sp, $sp, 16
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; SHRINKW-NEXT: .LBB1_2: # %if.end
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; SHRINKW-NEXT: ret
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%cmp = icmp ule i32 %n, 32
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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%addr = alloca i8, i32 %n
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call void @notdead(ptr %addr)
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br label %if.end
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if.end:
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ret void
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}
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