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728acc9bd9
This is mostly to test the waters. I'd like to get results from FNT build bots and other bots running on non-x86 platforms. This feature has been pretty heavily tested over the last few months by me, and it fixes several of the execution time regressions caused by the inlining work by preventing inlining decisions from radically impacting block layout. I've seen very large improvements in yacr2 and ackermann benchmarks, along with the expected noise across all of the benchmark suite whenever code layout changes. I've analyzed all of the regressions and fixed them, or found them to be impossible to fix. See my email to llvmdev for more details. I'd like for this to be in 3.1 as it complements the inliner changes, but if any failures are showing up or anyone has concerns, it is just a flag flip and so can be easily turned off. I'm switching it on tonight to try and get at least one run through various folks' performance suites in case SPEC or something else has serious issues with it. I'll watch bots and revert if anything shows up. llvm-svn: 154816
120 lines
3.1 KiB
LLVM
120 lines
3.1 KiB
LLVM
; RUN: llc < %s -march=mipsel | FileCheck %s
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define void @func0(float %f2, float %f3) nounwind {
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entry:
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; CHECK: c.eq.s
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; CHECK: bc1f
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%cmp = fcmp oeq float %f2, %f3
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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declare void @g0(...)
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declare void @g1(...)
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define void @func1(float %f2, float %f3) nounwind {
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entry:
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; CHECK: c.olt.s
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; CHECK: bc1f
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%cmp = fcmp olt float %f2, %f3
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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define void @func2(float %f2, float %f3) nounwind {
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entry:
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; CHECK: c.ole.s
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; CHECK: bc1t
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%cmp = fcmp ugt float %f2, %f3
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br i1 %cmp, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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define void @func3(double %f2, double %f3) nounwind {
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entry:
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; CHECK: c.eq.d
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; CHECK: bc1f
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%cmp = fcmp oeq double %f2, %f3
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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define void @func4(double %f2, double %f3) nounwind {
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entry:
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; CHECK: c.olt.d
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; CHECK: bc1f
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%cmp = fcmp olt double %f2, %f3
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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define void @func5(double %f2, double %f3) nounwind {
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entry:
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; CHECK: c.ole.d
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; CHECK: bc1t
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%cmp = fcmp ugt double %f2, %f3
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br i1 %cmp, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void (...)* @g0() nounwind
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br label %if.end
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if.else: ; preds = %entry
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tail call void (...)* @g1() nounwind
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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