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author | Evan Cheng <evan.cheng@apple.com> | 2008-09-10 18:25:29 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2008-09-10 18:25:29 +0000 |
commit | b188dd9c5b5ae7e2d284fcc322e3a510305f57ad (patch) | |
tree | 77b2bb31383ddce4d34cc100cfc809eb1e5fea26 /test/CodeGen | |
parent | fb0e1323e2759b177df8b57b03475f1135b5000f (diff) | |
download | external_llvm-b188dd9c5b5ae7e2d284fcc322e3a510305f57ad.zip external_llvm-b188dd9c5b5ae7e2d284fcc322e3a510305f57ad.tar.gz external_llvm-b188dd9c5b5ae7e2d284fcc322e3a510305f57ad.tar.bz2 |
Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the hidden struct ptr; Re-enable fastcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56061 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r-- | test/CodeGen/X86/fastcc-sret.ll | 23 | ||||
-rw-r--r-- | test/CodeGen/X86/sret.ll | 23 |
2 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fastcc-sret.ll b/test/CodeGen/X86/fastcc-sret.ll new file mode 100644 index 0000000..b5338d7 --- /dev/null +++ b/test/CodeGen/X86/fastcc-sret.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep ret | not grep 4 + + %struct.foo = type { [4 x i32] } + +define fastcc void @bar(%struct.foo* noalias sret %agg.result) nounwind { +entry: + %tmp1 = getelementptr %struct.foo* %agg.result, i32 0, i32 0 + %tmp3 = getelementptr [4 x i32]* %tmp1, i32 0, i32 0 + store i32 1, i32* %tmp3, align 8 + ret void +} + +@dst = external global i32 + +define void @foo() nounwind { + %memtmp = alloca %struct.foo, align 4 + call fastcc void @bar( %struct.foo* sret %memtmp ) nounwind + %tmp4 = getelementptr %struct.foo* %memtmp, i32 0, i32 0 + %tmp5 = getelementptr [4 x i32]* %tmp4, i32 0, i32 0 + %tmp6 = load i32* %tmp5 + store i32 %tmp6, i32* @dst + ret void +} diff --git a/test/CodeGen/X86/sret.ll b/test/CodeGen/X86/sret.ll new file mode 100644 index 0000000..30e5af4 --- /dev/null +++ b/test/CodeGen/X86/sret.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep ret | grep 4 + + %struct.foo = type { [4 x i32] } + +define void @bar(%struct.foo* noalias sret %agg.result) nounwind { +entry: + %tmp1 = getelementptr %struct.foo* %agg.result, i32 0, i32 0 + %tmp3 = getelementptr [4 x i32]* %tmp1, i32 0, i32 0 + store i32 1, i32* %tmp3, align 8 + ret void +} + +@dst = external global i32 + +define void @foo() nounwind { + %memtmp = alloca %struct.foo, align 4 + call void @bar( %struct.foo* sret %memtmp ) nounwind + %tmp4 = getelementptr %struct.foo* %memtmp, i32 0, i32 0 + %tmp5 = getelementptr [4 x i32]* %tmp4, i32 0, i32 0 + %tmp6 = load i32* %tmp5 + store i32 %tmp6, i32* @dst + ret void +} |