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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. llvm-svn: 127208
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; Without list-burr scheduling we may not see the difference in codegen here.
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; RUN: llc < %s -march=x86-64 -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
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; RUN: grep {%xmm0} %t | count 14
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; RUN: not grep {%xmm1} %t
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; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=critical > %t
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; RUN: grep {%xmm0} %t | count 7
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; RUN: grep {%xmm1} %t | count 7
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define void @goo(double* %r, double* %p, double* %q) nounwind {
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entry:
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%0 = load double* %p, align 8
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%1 = fadd double %0, 1.100000e+00
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%2 = fmul double %1, 1.200000e+00
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%3 = fadd double %2, 1.300000e+00
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%4 = fmul double %3, 1.400000e+00
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%5 = fadd double %4, 1.500000e+00
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%6 = fptosi double %5 to i32
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%7 = load double* %r, align 8
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%8 = fadd double %7, 7.100000e+00
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%9 = fmul double %8, 7.200000e+00
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%10 = fadd double %9, 7.300000e+00
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%11 = fmul double %10, 7.400000e+00
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%12 = fadd double %11, 7.500000e+00
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%13 = fptosi double %12 to i32
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%14 = icmp slt i32 %6, %13
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br i1 %14, label %bb, label %return
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bb:
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store double 9.300000e+00, double* %q, align 8
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ret void
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return:
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ret void
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}
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