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authorLauro Ramos Venancio <lauro.venancio@gmail.com>2007-02-23 20:32:57 +0000
committerLauro Ramos Venancio <lauro.venancio@gmail.com>2007-02-23 20:32:57 +0000
commit600c383e5c96d4b107b3e6ed4515eac25246cb02 (patch)
treeb2a83da14af6ef126095f9b967f7a7c657cf2c21 /test
parentcae0a193e310050b6bb9cc4628b7151997126f60 (diff)
downloadexternal_llvm-600c383e5c96d4b107b3e6ed4515eac25246cb02.zip
external_llvm-600c383e5c96d4b107b3e6ed4515eac25246cb02.tar.gz
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Fix stack alignment in functions with varargs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34532 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/ARM/vargs_align.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/vargs_align.ll b/test/CodeGen/ARM/vargs_align.ll
new file mode 100644
index 0000000..b9702e5
--- /dev/null
+++ b/test/CodeGen/ARM/vargs_align.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnueabi -disable-fp-elim | grep "add sp, sp, #16" &&
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnu -disable-fp-elim | grep "add sp, sp, #12"
+
+define i32 @f(i32 %a, ...) {
+entry:
+ %a_addr = alloca i32 ; <i32*> [#uses=1]
+ %retval = alloca i32, align 4 ; <i32*> [#uses=2]
+ %tmp = alloca i32, align 4 ; <i32*> [#uses=2]
+ "alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ store i32 %a, i32* %a_addr
+ store i32 0, i32* %tmp
+ %tmp1 = load i32* %tmp ; <i32> [#uses=1]
+ store i32 %tmp1, i32* %retval
+ br label %return
+
+return: ; preds = %entry
+ %retval2 = load i32* %retval ; <i32> [#uses=1]
+ ret i32 %retval2
+}