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-rw-r--r--test/CodeGen/X86/mmx-arg-passing.ll24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mmx-arg-passing.ll b/test/CodeGen/X86/mmx-arg-passing.ll
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+++ b/test/CodeGen/X86/mmx-arg-passing.ll
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+; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | grep mm0 | count 3
+; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | grep esp | count 1
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | grep xmm0
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | grep rdi
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | not grep movups
+;
+; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
+; On Darwin x86-32, v1i64 values are passed in memory.
+; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
+; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
+
+@u1 = external global <8 x i8>
+
+define void @t1(<8 x i8> %v1) nounwind {
+ store <8 x i8> %v1, <8 x i8>* @u1, align 8
+ ret void
+}
+
+@u2 = external global <1 x i64>
+
+define void @t2(<1 x i64> %v1) nounwind {
+ store <1 x i64> %v1, <1 x i64>* @u2, align 8
+ ret void
+}