forked from OSchip/llvm-project
41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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@a = dso_local global i32 0, align 4
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; Function Attrs: nofree norecurse nounwind uwtable willreturn mustprogress
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define dso_local i32 @main() #0 {
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; CHECK-LABEL: main:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl $224, %ecx
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; CHECK-NEXT: addl a(%rip), %ecx
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; CHECK-NEXT: negl %ecx
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; CHECK-NEXT: movl $2, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shlq %cl, %rax
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; CHECK-NEXT: testl %eax, %eax
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; CHECK-NEXT: je .LBB0_1
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; CHECK-NEXT: # %bb.2: # %lor.end
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1: # %lor.rhs
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; CHECK-NEXT: movl a(%rip), %eax
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: retq
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entry:
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%0 = load volatile i32, i32* @a, align 4
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%sub = sub i32 -32, %0
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%sh_prom = zext i32 %sub to i64
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%shl2 = shl i64 2, %sh_prom
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%conv = trunc i64 %shl2 to i32
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%tobool.not = icmp eq i32 %conv, 0
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br i1 %tobool.not, label %lor.rhs, label %lor.end
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lor.rhs: ; preds = %entry
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%1 = load volatile i32, i32* @a, align 4
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br label %lor.end
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lor.end: ; preds = %lor.rhs, %entry
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ret i32 0
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}
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