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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-26 18:22:20 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-26 18:22:20 +0000 |
| commit | 72d13ff755fe8484c89468252f945ba23fe98f71 (patch) | |
| tree | 053e915fdae2948c982c6009a8bf4fd0413dd164 /test/CodeGen/ARM/va_arg.ll | |
| parent | de4fe231392165c7566081fb3f86aee4f6a4e0d6 (diff) | |
| download | llvm-72d13ff755fe8484c89468252f945ba23fe98f71.tar.gz llvm-72d13ff755fe8484c89468252f945ba23fe98f71.tar.bz2 llvm-72d13ff755fe8484c89468252f945ba23fe98f71.tar.xz | |
When splitting a VAARG, remember its alignment.
This produces terrible but correct code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106952 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/va_arg.ll')
| -rw-r--r-- | test/CodeGen/ARM/va_arg.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/va_arg.ll b/test/CodeGen/ARM/va_arg.ll new file mode 100644 index 0000000000..a54a499cf1 --- /dev/null +++ b/test/CodeGen/ARM/va_arg.ll @@ -0,0 +1,19 @@ +; RUN: llc < %s -mtriple=armv7-none-linux-gnueabi | FileCheck %s +; Test that we correctly align elements when using va_arg + +; CHECK: add r0, r0, #7 +; CHECK: bfc r0, #0, #3 + +define i64 @f8(i32 %i, ...) nounwind optsize { +entry: + %g = alloca i8*, align 4 + %g1 = bitcast i8** %g to i8* + call void @llvm.va_start(i8* %g1) + %0 = va_arg i8** %g, i64 + call void @llvm.va_end(i8* %g1) + ret i64 %0 +} + +declare void @llvm.va_start(i8*) nounwind + +declare void @llvm.va_end(i8*) nounwind |