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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
commit3e906c48d3e5e7204087331b4a750231e6efd06c (patch)
tree36327ca6004a5fec57379e5515f2555d43cfc60b /llvm/test
parent1e48acb858c268e6396a2828eafdbc9edb59aa6d (diff)
downloadbcm5719-llvm-3e906c48d3e5e7204087331b4a750231e6efd06c.tar.gz
bcm5719-llvm-3e906c48d3e5e7204087331b4a750231e6efd06c.zip
Fix stack alignment in functions with varargs.
llvm-svn: 34532
Diffstat (limited to 'llvm/test')
-rw-r--r--llvm/test/CodeGen/ARM/vargs_align.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/vargs_align.ll b/llvm/test/CodeGen/ARM/vargs_align.ll
new file mode 100644
index 00000000000..b9702e5a9e4
--- /dev/null
+++ b/llvm/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
+}
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