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https://github.com/c64scene-ar/llvm-6502.git
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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
2.3 KiB
LLVM
53 lines
2.3 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mattr=+ssse3 | FileCheck %s
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; Test that the pshufb mask comment is correct.
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define <16 x i8> @test1(<16 x i8> %V) {
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; CHECK-LABEL: test1:
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; CHECK: pshufb {{.*}}# xmm0 = xmm0[1,0,0,0,0,2,0,0,0,0,3,0,0,0,0,4]
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%1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %V, <16 x i8> <i8 1, i8 0, i8 0, i8 0, i8 0, i8 2, i8 0, i8 0, i8 0, i8 0, i8 3, i8 0, i8 0, i8 0, i8 0, i8 4>)
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ret <16 x i8> %1
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}
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; Test that indexes larger than the size of the vector are shown masked (bottom 4 bits).
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define <16 x i8> @test2(<16 x i8> %V) {
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; CHECK-LABEL: test2:
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; CHECK: pshufb {{.*}}# xmm0 = xmm0[15,0,0,0,0,0,0,0,0,0,1,0,0,0,0,2]
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%1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %V, <16 x i8> <i8 15, i8 0, i8 0, i8 0, i8 0, i8 16, i8 0, i8 0, i8 0, i8 0, i8 17, i8 0, i8 0, i8 0, i8 0, i8 50>)
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ret <16 x i8> %1
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}
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; Test that indexes with bit seven set are shown as zero.
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define <16 x i8> @test3(<16 x i8> %V) {
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; CHECK-LABEL: test3:
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; CHECK: pshufb {{.*}}# xmm0 = xmm0[1,0,0,15,0,2,0,0],zero,xmm0[0,3,0,0],zero,xmm0[0,4]
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%1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %V, <16 x i8> <i8 1, i8 0, i8 0, i8 127, i8 0, i8 2, i8 0, i8 0, i8 128, i8 0, i8 3, i8 0, i8 0, i8 255, i8 0, i8 4>)
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ret <16 x i8> %1
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}
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; Test that we won't crash when the constant was reused for another instruction.
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define <16 x i8> @test4(<2 x i64>* %V) {
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; CHECK-LABEL: test4
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; CHECK: pshufb {{.*}}
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store <2 x i64> <i64 1084818905618843912, i64 506097522914230528>, <2 x i64>* %V, align 16
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%1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> undef, <16 x i8> <i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>)
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ret <16 x i8> %1
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}
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define <16 x i8> @test5() {
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; CHECK-LABEL: test5
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; CHECK: pshufb {{.*}}
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store <2 x i64> <i64 1, i64 0>, <2 x i64>* undef, align 16
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%l = load <2 x i64>, <2 x i64>* undef, align 16
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%shuffle = shufflevector <2 x i64> %l, <2 x i64> undef, <2 x i32> zeroinitializer
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store <2 x i64> %shuffle, <2 x i64>* undef, align 16
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%1 = load <16 x i8>, <16 x i8>* undef, align 16
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%2 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> undef, <16 x i8> %1)
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ret <16 x i8> %2
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}
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declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>) nounwind readnone
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