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Diffstat (limited to 'llvm/test/CodeGen/Generic/ForceStackAlign.ll')
| -rw-r--r-- | llvm/test/CodeGen/Generic/ForceStackAlign.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Generic/ForceStackAlign.ll b/llvm/test/CodeGen/Generic/ForceStackAlign.ll new file mode 100644 index 00000000000..f798fca06d7 --- /dev/null +++ b/llvm/test/CodeGen/Generic/ForceStackAlign.ll @@ -0,0 +1,27 @@ +; Check that stack alignment can be forced. Individual targets should test their +; specific implementation details. + +; RUN: llc < %s -force-align-stack -stack-alignment=32 | FileCheck %s +; CHECK-LABEL: @f +; CHECK-LABEL: @g + +define i32 @f(i8* %p) nounwind { +entry: + %0 = load i8, i8* %p + %conv = sext i8 %0 to i32 + ret i32 %conv +} + +define i64 @g(i32 %i) nounwind { +entry: + br label %if.then + +if.then: + %0 = alloca i8, i32 %i + call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 %i, i32 1, i1 false) + %call = call i32 @f(i8* %0) + %conv = sext i32 %call to i64 + ret i64 %conv +} + +declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i32, i1) nounwind |
