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| author | Kenneth Uildriks <kennethuil@gmail.com> | 2009-11-11 19:59:24 +0000 |
|---|---|---|
| committer | Kenneth Uildriks <kennethuil@gmail.com> | 2009-11-11 19:59:24 +0000 |
| commit | c158dde21944f2dc016d8d34b46e301d61243ca2 (patch) | |
| tree | 17a24de02100ae28cc53a9cef0bbf498d7f4144d /test/CodeGen/X86/bigstructret.ll | |
| parent | 7cc253e3b85b27540bbc91b8331e06e7a65fbc4c (diff) | |
| download | llvm-c158dde21944f2dc016d8d34b46e301d61243ca2.tar.gz llvm-c158dde21944f2dc016d8d34b46e301d61243ca2.tar.bz2 llvm-c158dde21944f2dc016d8d34b46e301d61243ca2.tar.xz | |
x86 users can now return arbitrary sized structs. Structs too large to fit in return registers will be returned through a hidden sret parameter introduced during SelectionDAG construction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86876 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/bigstructret.ll')
| -rw-r--r-- | test/CodeGen/X86/bigstructret.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/bigstructret.ll b/test/CodeGen/X86/bigstructret.ll new file mode 100644 index 0000000000..633995d5d7 --- /dev/null +++ b/test/CodeGen/X86/bigstructret.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -march=x86 -o %t +; RUN: grep "movl .24601, 12(%ecx)" %t +; RUN: grep "movl .48, 8(%ecx)" %t +; RUN: grep "movl .24, 4(%ecx)" %t +; RUN: grep "movl .12, (%ecx)" %t + +%0 = type { i32, i32, i32, i32 } + +define internal fastcc %0 @ReturnBigStruct() nounwind readnone { +entry: + %0 = insertvalue %0 zeroinitializer, i32 12, 0 + %1 = insertvalue %0 %0, i32 24, 1 + %2 = insertvalue %0 %1, i32 48, 2 + %3 = insertvalue %0 %2, i32 24601, 3 + ret %0 %3 +} + |