a2a0089ac3
If we're loading a constant value, print the constant (and the zero upper elements) instead of just the shuffle mask. This did require me to move the shuffle mask handling into addConstantComments as we can't handle this in the MC layer.
55 lines
1.9 KiB
LLVM
55 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2,sse-unaligned-mem | FileCheck %s --check-prefix=SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=AVX
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; Although we have the ability to fold an unaligned load with AVX
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; and under special conditions with some SSE implementations, we
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; can not fold the load under any circumstances in these test
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; cases because they are not 16-byte loads. The load must be
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; executed as a scalar ('movs*') with a zero extension to
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; 128-bits and then used in the packed logical ('andp*') op.
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; PR22371 - http://llvm.org/bugs/show_bug.cgi?id=22371
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define double @load_double_no_fold(double %x, double %y) {
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; SSE2-LABEL: load_double_no_fold:
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; SSE2: # %bb.0:
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; SSE2-NEXT: cmplesd %xmm0, %xmm1
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = [1.0E+0,0.0E+0]
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; SSE2-NEXT: andpd %xmm1, %xmm0
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; SSE2-NEXT: retq
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;
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; AVX-LABEL: load_double_no_fold:
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; AVX: # %bb.0:
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; AVX-NEXT: vcmplesd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vmovsd {{.*#+}} xmm1 = [1.0E+0,0.0E+0]
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; AVX-NEXT: vandpd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%cmp = fcmp oge double %x, %y
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%zext = zext i1 %cmp to i32
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%conv = sitofp i32 %zext to double
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ret double %conv
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}
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define float @load_float_no_fold(float %x, float %y) {
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; SSE2-LABEL: load_float_no_fold:
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; SSE2: # %bb.0:
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; SSE2-NEXT: cmpless %xmm0, %xmm1
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; SSE2-NEXT: movss {{.*#+}} xmm0 = [1.0E+0,0.0E+0,0.0E+0,0.0E+0]
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; SSE2-NEXT: andps %xmm1, %xmm0
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; SSE2-NEXT: retq
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;
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; AVX-LABEL: load_float_no_fold:
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; AVX: # %bb.0:
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; AVX-NEXT: vcmpless %xmm0, %xmm1, %xmm0
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; AVX-NEXT: vmovss {{.*#+}} xmm1 = [1.0E+0,0.0E+0,0.0E+0,0.0E+0]
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; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%cmp = fcmp oge float %x, %y
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%zext = zext i1 %cmp to i32
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%conv = sitofp i32 %zext to float
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ret float %conv
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}
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