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42 lines
1.6 KiB
LLVM
42 lines
1.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux -mcpu=nehalem < %s | FileCheck %s
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; RUN: llc -mtriple=x86_64-win32 -mcpu=nehalem < %s | FileCheck %s
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; rdar://7398554
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; When doing vector gather-scatter index calculation with 32-bit indices,
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; bounce the vector off of cache rather than shuffling each individual
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; element out of the index vector.
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; CHECK: andps ([[H:%rdx|%r8]]), %xmm0
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; CHECK: movaps %xmm0, {{(-24)?}}(%rsp)
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; CHECK: movslq {{(-24)?}}(%rsp), %rax
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; CHECK: movsd ([[P:%rdi|%rcx]],%rax,8), %xmm0
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; CHECK: movslq {{-20|4}}(%rsp), %rax
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; CHECK: movhpd ([[P]],%rax,8), %xmm0
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; CHECK: movslq {{-16|8}}(%rsp), %rax
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; CHECK: movsd ([[P]],%rax,8), %xmm1
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; CHECK: movslq {{-12|12}}(%rsp), %rax
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; CHECK: movhpd ([[P]],%rax,8), %xmm1
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define <4 x double> @foo(double* %p, <4 x i32>* %i, <4 x i32>* %h) nounwind {
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%a = load <4 x i32>* %i
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%b = load <4 x i32>* %h
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%j = and <4 x i32> %a, %b
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%d0 = extractelement <4 x i32> %j, i32 0
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%d1 = extractelement <4 x i32> %j, i32 1
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%d2 = extractelement <4 x i32> %j, i32 2
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%d3 = extractelement <4 x i32> %j, i32 3
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%q0 = getelementptr double* %p, i32 %d0
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%q1 = getelementptr double* %p, i32 %d1
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%q2 = getelementptr double* %p, i32 %d2
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%q3 = getelementptr double* %p, i32 %d3
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%r0 = load double* %q0
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%r1 = load double* %q1
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%r2 = load double* %q2
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%r3 = load double* %q3
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%v0 = insertelement <4 x double> undef, double %r0, i32 0
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%v1 = insertelement <4 x double> %v0, double %r1, i32 1
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%v2 = insertelement <4 x double> %v1, double %r2, i32 2
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%v3 = insertelement <4 x double> %v2, double %r3, i32 3
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ret <4 x double> %v3
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}
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