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TheRock/compiler/amd-llvm/llvm/test/Transforms/GVN/load-constant-mem.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -passes=gvn,instcombine -S | FileCheck %s
; PR4189
@G = external constant [4 x i32]
define i32 @test(ptr %p, i32 %i) nounwind {
; CHECK-LABEL: define i32 @test(
; CHECK-SAME: ptr [[P:%.*]], i32 [[I:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: store i8 4, ptr [[P]], align 1
; CHECK-NEXT: ret i32 0
;
entry:
%P = getelementptr [4 x i32], ptr @G, i32 0, i32 %i
%A = load i32, ptr %P
store i8 4, ptr %p
%B = load i32, ptr %P
%C = sub i32 %A, %B
ret i32 %C
}