2015-04-21 07:31:53 +08:00
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X32
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2009-03-12 13:59:15 +08:00
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2015-04-21 07:31:53 +08:00
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; Use movq or movsd to load / store i64 values if sse2 is available.
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2009-03-12 13:59:15 +08:00
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; rdar://6659858
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2015-04-21 07:31:53 +08:00
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define void @foo(i64* %x, i64* %y) {
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; X64-LABEL: foo:
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; X64: # BB#0:
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; X64-NEXT: movq (%rsi), %rax
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; X64-NEXT: movq %rax, (%rdi)
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; X64-NEXT: retq
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;
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; X32-LABEL: foo:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; X32-NEXT: movsd %xmm0, (%eax)
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; X32-NEXT: retl
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%tmp1 = load i64, i64* %y, align 8
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store i64 %tmp1, i64* %x, align 8
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ret void
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2009-03-12 13:59:15 +08:00
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}
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2015-04-21 07:31:53 +08:00
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