derek.holloway
7502bf64a4
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451 lines
11 KiB
LLVM
451 lines
11 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 -mattr=-32s,+d < %s | FileCheck %s --check-prefixes=ALL,LA32R
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; RUN: llc --mtriple=loongarch32 -mattr=+32s,+d < %s | FileCheck %s --check-prefixes=ALL,LA32S
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; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s --check-prefixes=ALL,LA64
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define void @foo() noreturn nounwind {
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; ALL-LABEL: foo:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: .p2align 4, , 16
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; ALL-NEXT: .LBB0_1: # %loop
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; ALL-NEXT: # =>This Inner Loop Header: Depth=1
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; ALL-NEXT: b .LBB0_1
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entry:
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br label %loop
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loop:
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br label %loop
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}
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define void @foo_br_eq(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_eq:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: beq $a2, $a0, .LBB1_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB1_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_eq:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: beq $a2, $a0, .LBB1_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB1_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_eq:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: beq $a2, $a0, .LBB1_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB1_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp eq i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_ne(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_ne:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bne $a2, $a0, .LBB2_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB2_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_ne:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bne $a2, $a0, .LBB2_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB2_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_ne:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bne $a2, $a0, .LBB2_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB2_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp ne i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_slt(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_slt:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: blt $a2, $a0, .LBB3_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB3_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_slt:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: blt $a2, $a0, .LBB3_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB3_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_slt:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: blt $a2, $a0, .LBB3_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB3_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp slt i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_sge(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_sge:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bge $a2, $a0, .LBB4_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB4_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_sge:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bge $a2, $a0, .LBB4_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB4_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_sge:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bge $a2, $a0, .LBB4_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB4_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp sge i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_ult(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_ult:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bltu $a2, $a0, .LBB5_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB5_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_ult:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bltu $a2, $a0, .LBB5_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB5_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_ult:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bltu $a2, $a0, .LBB5_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB5_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp ult i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_uge(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_uge:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bgeu $a2, $a0, .LBB6_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB6_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_uge:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bgeu $a2, $a0, .LBB6_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB6_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_uge:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bgeu $a2, $a0, .LBB6_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB6_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp uge i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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;; Check for condition codes that don't have a matching instruction.
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define void @foo_br_sgt(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_sgt:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: blt $a0, $a2, .LBB7_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB7_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_sgt:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: blt $a0, $a2, .LBB7_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB7_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_sgt:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: blt $a0, $a2, .LBB7_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB7_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp sgt i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_sle(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_sle:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bge $a0, $a2, .LBB8_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB8_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_sle:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bge $a0, $a2, .LBB8_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB8_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_sle:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bge $a0, $a2, .LBB8_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB8_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp sle i32 %val, %a
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br i1 %cc, label %end, label %test
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test:
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%tmp = load volatile i32, ptr %b
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br label %end
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end:
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ret void
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}
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define void @foo_br_ugt(i32 %a, ptr %b) nounwind {
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; LA32R-LABEL: foo_br_ugt:
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; LA32R: # %bb.0:
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; LA32R-NEXT: ld.w $a2, $a1, 0
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; LA32R-NEXT: bltu $a0, $a2, .LBB9_2
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; LA32R-NEXT: # %bb.1: # %test
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; LA32R-NEXT: ld.w $zero, $a1, 0
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; LA32R-NEXT: .LBB9_2: # %end
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; LA32R-NEXT: ret
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;
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; LA32S-LABEL: foo_br_ugt:
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; LA32S: # %bb.0:
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; LA32S-NEXT: ld.w $a2, $a1, 0
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; LA32S-NEXT: bltu $a0, $a2, .LBB9_2
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; LA32S-NEXT: # %bb.1: # %test
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; LA32S-NEXT: ld.w $zero, $a1, 0
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; LA32S-NEXT: .LBB9_2: # %end
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; LA32S-NEXT: ret
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;
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; LA64-LABEL: foo_br_ugt:
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; LA64: # %bb.0:
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; LA64-NEXT: ld.w $a2, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: bltu $a0, $a2, .LBB9_2
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; LA64-NEXT: # %bb.1: # %test
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; LA64-NEXT: ld.w $zero, $a1, 0
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; LA64-NEXT: .LBB9_2: # %end
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; LA64-NEXT: ret
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%val = load volatile i32, ptr %b
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%cc = icmp ugt i32 %val, %a
|
|
br i1 %cc, label %end, label %test
|
|
test:
|
|
%tmp = load volatile i32, ptr %b
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @foo_br_ule(i32 %a, ptr %b) nounwind {
|
|
; LA32R-LABEL: foo_br_ule:
|
|
; LA32R: # %bb.0:
|
|
; LA32R-NEXT: ld.w $a2, $a1, 0
|
|
; LA32R-NEXT: bgeu $a0, $a2, .LBB10_2
|
|
; LA32R-NEXT: # %bb.1: # %test
|
|
; LA32R-NEXT: ld.w $zero, $a1, 0
|
|
; LA32R-NEXT: .LBB10_2: # %end
|
|
; LA32R-NEXT: ret
|
|
;
|
|
; LA32S-LABEL: foo_br_ule:
|
|
; LA32S: # %bb.0:
|
|
; LA32S-NEXT: ld.w $a2, $a1, 0
|
|
; LA32S-NEXT: bgeu $a0, $a2, .LBB10_2
|
|
; LA32S-NEXT: # %bb.1: # %test
|
|
; LA32S-NEXT: ld.w $zero, $a1, 0
|
|
; LA32S-NEXT: .LBB10_2: # %end
|
|
; LA32S-NEXT: ret
|
|
;
|
|
; LA64-LABEL: foo_br_ule:
|
|
; LA64: # %bb.0:
|
|
; LA64-NEXT: ld.w $a2, $a1, 0
|
|
; LA64-NEXT: addi.w $a0, $a0, 0
|
|
; LA64-NEXT: bgeu $a0, $a2, .LBB10_2
|
|
; LA64-NEXT: # %bb.1: # %test
|
|
; LA64-NEXT: ld.w $zero, $a1, 0
|
|
; LA64-NEXT: .LBB10_2: # %end
|
|
; LA64-NEXT: ret
|
|
%val = load volatile i32, ptr %b
|
|
%cc = icmp ule i32 %val, %a
|
|
br i1 %cc, label %end, label %test
|
|
test:
|
|
%tmp = load volatile i32, ptr %b
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
;; Check the case of a branch where the condition was generated in another
|
|
;; function.
|
|
define void @foo_br_cc(ptr %a, i1 %cc) nounwind {
|
|
; LA32R-LABEL: foo_br_cc:
|
|
; LA32R: # %bb.0:
|
|
; LA32R-NEXT: ld.w $zero, $a0, 0
|
|
; LA32R-NEXT: andi $a1, $a1, 1
|
|
; LA32R-NEXT: bne $a1, $zero, .LBB11_2
|
|
; LA32R-NEXT: # %bb.1: # %test
|
|
; LA32R-NEXT: ld.w $zero, $a0, 0
|
|
; LA32R-NEXT: .LBB11_2: # %end
|
|
; LA32R-NEXT: ret
|
|
;
|
|
; LA32S-LABEL: foo_br_cc:
|
|
; LA32S: # %bb.0:
|
|
; LA32S-NEXT: ld.w $zero, $a0, 0
|
|
; LA32S-NEXT: andi $a1, $a1, 1
|
|
; LA32S-NEXT: bnez $a1, .LBB11_2
|
|
; LA32S-NEXT: # %bb.1: # %test
|
|
; LA32S-NEXT: ld.w $zero, $a0, 0
|
|
; LA32S-NEXT: .LBB11_2: # %end
|
|
; LA32S-NEXT: ret
|
|
;
|
|
; LA64-LABEL: foo_br_cc:
|
|
; LA64: # %bb.0:
|
|
; LA64-NEXT: ld.w $zero, $a0, 0
|
|
; LA64-NEXT: andi $a1, $a1, 1
|
|
; LA64-NEXT: bnez $a1, .LBB11_2
|
|
; LA64-NEXT: # %bb.1: # %test
|
|
; LA64-NEXT: ld.w $zero, $a0, 0
|
|
; LA64-NEXT: .LBB11_2: # %end
|
|
; LA64-NEXT: ret
|
|
%val = load volatile i32, ptr %a
|
|
br i1 %cc, label %end, label %test
|
|
test:
|
|
%tmp = load volatile i32, ptr %a
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|