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Diffstat (limited to 'llvm/test/CodeGen/X86/fastcc-byval.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fastcc-byval.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fastcc-byval.ll b/llvm/test/CodeGen/X86/fastcc-byval.ll new file mode 100644 index 00000000000..9f6649c3b1a --- /dev/null +++ b/llvm/test/CodeGen/X86/fastcc-byval.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | llc | grep {movl\[\[:space:\]\]*8(%esp), %eax} | count 2 +; PR3122 +; rdar://6400815 + +; byval requires a copy, even with fastcc. + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin9.5" + %struct.MVT = type { i32 } + +define fastcc i32 @bar() nounwind { + %V = alloca %struct.MVT + %a = getelementptr %struct.MVT* %V, i32 0, i32 0 + store i32 1, i32* %a + call fastcc void @foo(%struct.MVT* byval %V) nounwind + %t = load i32* %a + ret i32 %t +} + +declare fastcc void @foo(%struct.MVT* byval) |
