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Diffstat (limited to 'llvm/test/CodeGen/ARM/useaa.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/useaa.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/useaa.ll b/llvm/test/CodeGen/ARM/useaa.ll new file mode 100644 index 00000000000..d7913e7bad9 --- /dev/null +++ b/llvm/test/CodeGen/ARM/useaa.ll @@ -0,0 +1,26 @@ +; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA +; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC + +; Check we use AA during codegen, so can interleave these loads/stores. + +; CHECK-LABEL: test +; GENERIC: ldr +; GENERIC: str +; GENERIC: ldr +; GENERIC: str +; USEAA: ldr +; USEAA: ldr +; USEAA: str +; USEAA: str + +define void @test(i32* nocapture %a, i32* noalias nocapture %b) { +entry: + %0 = load i32, i32* %a, align 4 + %add = add nsw i32 %0, 10 + store i32 %add, i32* %a, align 4 + %1 = load i32, i32* %b, align 4 + %add2 = add nsw i32 %1, 20 + store i32 %add2, i32* %b, align 4 + ret void +} + |
