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24 lines
756 B
LLVM
24 lines
756 B
LLVM
; RUN: llc < %s -O0 -regalloc=linearscan -march=x86-64 -mattr=+mmx,+sse2 | FileCheck %s
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; PR4684
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target datalayout =
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"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-apple-darwin9.8"
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declare void @func2(x86_mmx)
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define void @func1() nounwind {
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; This isn't spectacular, but it's MMX code at -O0...
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; CHECK: movq2dq %mm0, %xmm0
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; For now, handling of x86_mmx parameters in fast Isel is unimplemented,
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; so we get pretty poor code. The below is preferable.
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; CHEK: movl $2, %eax
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; CHEK: movd %rax, %mm0
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; CHEK: movd %mm0, %rdi
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%tmp0 = bitcast <2 x i32><i32 0, i32 2> to x86_mmx
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call void @func2(x86_mmx %tmp0)
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ret void
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}
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