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Diffstat (limited to 'test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll')
| -rw-r--r-- | test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll b/test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll new file mode 100644 index 0000000..14840ba --- /dev/null +++ b/test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll @@ -0,0 +1,36 @@ +; RUN: llvm-as < %s | opt -inline | llvm-dis | grep call +; Do not inline calls to variable-sized alloca. + +@q = common global i8* null ; <i8**> [#uses=1] + +define i8* @a(i32 %i) nounwind { +entry: + %i_addr = alloca i32 ; <i32*> [#uses=2] + %retval = alloca i8* ; <i8**> [#uses=1] + %p = alloca i8* ; <i8**> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store i32 %i, i32* %i_addr + %0 = load i32* %i_addr, align 4 ; <i32> [#uses=1] + %1 = alloca i8, i32 %0 ; <i8*> [#uses=1] + store i8* %1, i8** %p, align 4 + %2 = load i8** %p, align 4 ; <i8*> [#uses=1] + store i8* %2, i8** @q, align 4 + br label %return + +return: ; preds = %entry + %retval1 = load i8** %retval ; <i8*> [#uses=1] + ret i8* %retval1 +} + +define void @b(i32 %i) nounwind { +entry: + %i_addr = alloca i32 ; <i32*> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store i32 %i, i32* %i_addr + %0 = load i32* %i_addr, align 4 ; <i32> [#uses=1] + %1 = call i8* @a(i32 %0) nounwind ; <i8*> [#uses=0] + br label %return + +return: ; preds = %entry + ret void +} |