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https://github.com/c64scene-ar/llvm-6502.git
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7c2cdb1c05
testcases accordingly. Some are currently xfailed and will be filed as bugs to be fixed or understood. Performance results: roughly neutral on SPEC some micro benchmarks in the llvm suite are up between 100 and 150%, only a pair of regressions that are due to be investigated john-the-ripper saw: 10% improvement in traditional DES 8% improvement in BSDI DES 59% improvement in FreeBSD MD5 67% improvement in OpenBSD Blowfish 14% improvement in LM DES Small compile time impact. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127208 91177308-0d34-0410-b5e6-96231b3b80d8
97 lines
5.9 KiB
LLVM
97 lines
5.9 KiB
LLVM
; XFAIL: *
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu > %t
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; RUN: not grep xor %t
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; RUN: not grep movap %t
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; RUN: grep {\\.quad.*0} %t
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; Remat should be able to fold the zero constant into the div instructions
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; as a constant-pool load.
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define void @foo(double* nocapture %x, double* nocapture %y) nounwind {
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entry:
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%tmp1 = load double* %x ; <double> [#uses=1]
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%arrayidx4 = getelementptr inbounds double* %x, i64 1 ; <double*> [#uses=1]
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%tmp5 = load double* %arrayidx4 ; <double> [#uses=1]
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%arrayidx8 = getelementptr inbounds double* %x, i64 2 ; <double*> [#uses=1]
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%tmp9 = load double* %arrayidx8 ; <double> [#uses=1]
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%arrayidx12 = getelementptr inbounds double* %x, i64 3 ; <double*> [#uses=1]
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%tmp13 = load double* %arrayidx12 ; <double> [#uses=1]
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%arrayidx16 = getelementptr inbounds double* %x, i64 4 ; <double*> [#uses=1]
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%tmp17 = load double* %arrayidx16 ; <double> [#uses=1]
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%arrayidx20 = getelementptr inbounds double* %x, i64 5 ; <double*> [#uses=1]
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%tmp21 = load double* %arrayidx20 ; <double> [#uses=1]
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%arrayidx24 = getelementptr inbounds double* %x, i64 6 ; <double*> [#uses=1]
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%tmp25 = load double* %arrayidx24 ; <double> [#uses=1]
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%arrayidx28 = getelementptr inbounds double* %x, i64 7 ; <double*> [#uses=1]
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%tmp29 = load double* %arrayidx28 ; <double> [#uses=1]
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%arrayidx32 = getelementptr inbounds double* %x, i64 8 ; <double*> [#uses=1]
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%tmp33 = load double* %arrayidx32 ; <double> [#uses=1]
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%arrayidx36 = getelementptr inbounds double* %x, i64 9 ; <double*> [#uses=1]
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%tmp37 = load double* %arrayidx36 ; <double> [#uses=1]
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%arrayidx40 = getelementptr inbounds double* %x, i64 10 ; <double*> [#uses=1]
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%tmp41 = load double* %arrayidx40 ; <double> [#uses=1]
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%arrayidx44 = getelementptr inbounds double* %x, i64 11 ; <double*> [#uses=1]
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%tmp45 = load double* %arrayidx44 ; <double> [#uses=1]
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%arrayidx48 = getelementptr inbounds double* %x, i64 12 ; <double*> [#uses=1]
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%tmp49 = load double* %arrayidx48 ; <double> [#uses=1]
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%arrayidx52 = getelementptr inbounds double* %x, i64 13 ; <double*> [#uses=1]
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%tmp53 = load double* %arrayidx52 ; <double> [#uses=1]
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%arrayidx56 = getelementptr inbounds double* %x, i64 14 ; <double*> [#uses=1]
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%tmp57 = load double* %arrayidx56 ; <double> [#uses=1]
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%arrayidx60 = getelementptr inbounds double* %x, i64 15 ; <double*> [#uses=1]
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%tmp61 = load double* %arrayidx60 ; <double> [#uses=1]
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%arrayidx64 = getelementptr inbounds double* %x, i64 16 ; <double*> [#uses=1]
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%tmp65 = load double* %arrayidx64 ; <double> [#uses=1]
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%div = fdiv double %tmp1, 0.000000e+00 ; <double> [#uses=1]
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store double %div, double* %y
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%div70 = fdiv double %tmp5, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx72 = getelementptr inbounds double* %y, i64 1 ; <double*> [#uses=1]
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store double %div70, double* %arrayidx72
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%div74 = fdiv double %tmp9, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx76 = getelementptr inbounds double* %y, i64 2 ; <double*> [#uses=1]
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store double %div74, double* %arrayidx76
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%div78 = fdiv double %tmp13, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx80 = getelementptr inbounds double* %y, i64 3 ; <double*> [#uses=1]
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store double %div78, double* %arrayidx80
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%div82 = fdiv double %tmp17, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx84 = getelementptr inbounds double* %y, i64 4 ; <double*> [#uses=1]
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store double %div82, double* %arrayidx84
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%div86 = fdiv double %tmp21, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx88 = getelementptr inbounds double* %y, i64 5 ; <double*> [#uses=1]
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store double %div86, double* %arrayidx88
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%div90 = fdiv double %tmp25, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx92 = getelementptr inbounds double* %y, i64 6 ; <double*> [#uses=1]
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store double %div90, double* %arrayidx92
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%div94 = fdiv double %tmp29, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx96 = getelementptr inbounds double* %y, i64 7 ; <double*> [#uses=1]
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store double %div94, double* %arrayidx96
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%div98 = fdiv double %tmp33, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx100 = getelementptr inbounds double* %y, i64 8 ; <double*> [#uses=1]
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store double %div98, double* %arrayidx100
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%div102 = fdiv double %tmp37, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx104 = getelementptr inbounds double* %y, i64 9 ; <double*> [#uses=1]
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store double %div102, double* %arrayidx104
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%div106 = fdiv double %tmp41, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx108 = getelementptr inbounds double* %y, i64 10 ; <double*> [#uses=1]
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store double %div106, double* %arrayidx108
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%div110 = fdiv double %tmp45, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx112 = getelementptr inbounds double* %y, i64 11 ; <double*> [#uses=1]
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store double %div110, double* %arrayidx112
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%div114 = fdiv double %tmp49, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx116 = getelementptr inbounds double* %y, i64 12 ; <double*> [#uses=1]
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store double %div114, double* %arrayidx116
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%div118 = fdiv double %tmp53, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx120 = getelementptr inbounds double* %y, i64 13 ; <double*> [#uses=1]
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store double %div118, double* %arrayidx120
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%div122 = fdiv double %tmp57, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx124 = getelementptr inbounds double* %y, i64 14 ; <double*> [#uses=1]
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store double %div122, double* %arrayidx124
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%div126 = fdiv double %tmp61, 2.000000e-01 ; <double> [#uses=1]
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%arrayidx128 = getelementptr inbounds double* %y, i64 15 ; <double*> [#uses=1]
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store double %div126, double* %arrayidx128
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%div130 = fdiv double %tmp65, 0.000000e+00 ; <double> [#uses=1]
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%arrayidx132 = getelementptr inbounds double* %y, i64 16 ; <double*> [#uses=1]
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store double %div130, double* %arrayidx132
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ret void
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}
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