3c0735c6d8
This puts the new nodes in the proper place in the topologically sorted list of nodes. Fixes PR50431, which was introduced recently in D101944.
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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