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91a7e0184a
by xoring the high-bit. This fails if the source operand is a vector because we need to negate each of the elements in the vector. Fix rdar://12281066 PR13813. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163802 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
972 B
LLVM
22 lines
972 B
LLVM
; RUN: llc -march=x86-64 -mcpu=corei7 < %s | FileCheck %s
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target datalayout = "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-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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; CHECK: foo
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; Make sure we are not trying to use scalar xor on the high bits of the vector.
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; CHECK-NOT: xorq
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; CHECK: xorl
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; CHECK-NEXT: ret
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define i32 @foo() {
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bb:
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%tmp44.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, <float 0.000000e+00, float 0.000000e+00, float 1.000000e+00, float 0.000000e+00>
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%0 = bitcast <4 x float> %tmp44.i to i128
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%1 = zext i128 %0 to i512
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%2 = shl nuw nsw i512 %1, 256
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%ins = or i512 %2, 3325764857622480139933400731976840738652108318779753826115024029985671937147149347761402413803120180680770390816681124225944317364750115981129923635970048
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store i512 %ins, i512* undef, align 64
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ret i32 0
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}
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