2320cddfc2
Enabling one of MemorySSA or MD implies the other is off. Already approved in https://github.com/llvm/llvm-project/pull/149473 but I had to revert as I missed updating one test.
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes=gvn -S -o - < %s | FileCheck --check-prefixes=CHECK,MDEP %s
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; RUN: opt -passes='gvn<memoryssa>' -S -o - < %s | FileCheck --check-prefixes=CHECK,MSSA %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @use(ptr readonly nocapture)
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define i8 @test() {
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; MDEP-LABEL: define i8 @test() {
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; MDEP-NEXT: [[A:%.*]] = alloca i8, align 1
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; MDEP-NEXT: store i8 1, ptr [[A]], align 1
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; MDEP-NEXT: call void @use(ptr [[A]])
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; MDEP-NEXT: ret i8 1
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;
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; MSSA-LABEL: define i8 @test() {
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; MSSA-NEXT: [[A:%.*]] = alloca i8, align 1
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; MSSA-NEXT: store i8 1, ptr [[A]], align 1
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; MSSA-NEXT: call void @use(ptr [[A]])
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; MSSA-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 1
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; MSSA-NEXT: ret i8 [[B]]
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;
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%a = alloca i8
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store i8 1, ptr %a
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call void @use(ptr %a)
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%b = load i8, ptr %a
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ret i8 %b
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CHECK: {{.*}}
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