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ab043ff680
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
llvm-svn: 230794
103 lines
6.2 KiB
LLVM
103 lines
6.2 KiB
LLVM
; RUN: opt < %s -S -instcombine > %t
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; RUN: grep "= getelementptr" %t | count 20
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; RUN: grep "= phi" %t | count 13
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; Don't push the geps through these phis, because they would require
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; two phis each, which burdens the loop with high register pressure.
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define void @foo(float* %Ar, float* %Ai, i64 %As, float* %Cr, float* %Ci, i64 %Cs, i64 %n) nounwind {
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entry:
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%0 = getelementptr inbounds float, float* %Ar, i64 0 ; <float*> [#uses=1]
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%1 = getelementptr inbounds float, float* %Ai, i64 0 ; <float*> [#uses=1]
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%2 = mul i64 %n, %As ; <i64> [#uses=1]
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%3 = getelementptr inbounds float, float* %Ar, i64 %2 ; <float*> [#uses=1]
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%4 = mul i64 %n, %As ; <i64> [#uses=1]
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%5 = getelementptr inbounds float, float* %Ai, i64 %4 ; <float*> [#uses=1]
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%6 = mul i64 %n, 2 ; <i64> [#uses=1]
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%7 = mul i64 %6, %As ; <i64> [#uses=1]
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%8 = getelementptr inbounds float, float* %Ar, i64 %7 ; <float*> [#uses=1]
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%9 = mul i64 %n, 2 ; <i64> [#uses=1]
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%10 = mul i64 %9, %As ; <i64> [#uses=1]
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%11 = getelementptr inbounds float, float* %Ai, i64 %10 ; <float*> [#uses=1]
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%12 = getelementptr inbounds float, float* %Cr, i64 0 ; <float*> [#uses=1]
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%13 = getelementptr inbounds float, float* %Ci, i64 0 ; <float*> [#uses=1]
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%14 = mul i64 %n, %Cs ; <i64> [#uses=1]
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%15 = getelementptr inbounds float, float* %Cr, i64 %14 ; <float*> [#uses=1]
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%16 = mul i64 %n, %Cs ; <i64> [#uses=1]
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%17 = getelementptr inbounds float, float* %Ci, i64 %16 ; <float*> [#uses=1]
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%18 = mul i64 %n, 2 ; <i64> [#uses=1]
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%19 = mul i64 %18, %Cs ; <i64> [#uses=1]
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%20 = getelementptr inbounds float, float* %Cr, i64 %19 ; <float*> [#uses=1]
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%21 = mul i64 %n, 2 ; <i64> [#uses=1]
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%22 = mul i64 %21, %Cs ; <i64> [#uses=1]
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%23 = getelementptr inbounds float, float* %Ci, i64 %22 ; <float*> [#uses=1]
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br label %bb13
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bb: ; preds = %bb13
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%24 = load float, float* %A0r.0, align 4 ; <float> [#uses=1]
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%25 = load float, float* %A0i.0, align 4 ; <float> [#uses=1]
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%26 = load float, float* %A1r.0, align 4 ; <float> [#uses=2]
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%27 = load float, float* %A1i.0, align 4 ; <float> [#uses=2]
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%28 = load float, float* %A2r.0, align 4 ; <float> [#uses=2]
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%29 = load float, float* %A2i.0, align 4 ; <float> [#uses=2]
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%30 = fadd float %26, %28 ; <float> [#uses=2]
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%31 = fadd float %27, %29 ; <float> [#uses=2]
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%32 = fsub float %26, %28 ; <float> [#uses=1]
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%33 = fsub float %27, %29 ; <float> [#uses=1]
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%34 = fadd float %24, %30 ; <float> [#uses=2]
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%35 = fadd float %25, %31 ; <float> [#uses=2]
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%36 = fmul float %30, -1.500000e+00 ; <float> [#uses=1]
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%37 = fmul float %31, -1.500000e+00 ; <float> [#uses=1]
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%38 = fadd float %34, %36 ; <float> [#uses=2]
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%39 = fadd float %35, %37 ; <float> [#uses=2]
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%40 = fmul float %32, 0x3FEBB67AE0000000 ; <float> [#uses=2]
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%41 = fmul float %33, 0x3FEBB67AE0000000 ; <float> [#uses=2]
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%42 = fadd float %38, %41 ; <float> [#uses=1]
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%43 = fsub float %39, %40 ; <float> [#uses=1]
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%44 = fsub float %38, %41 ; <float> [#uses=1]
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%45 = fadd float %39, %40 ; <float> [#uses=1]
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store float %34, float* %C0r.0, align 4
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store float %35, float* %C0i.0, align 4
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store float %42, float* %C1r.0, align 4
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store float %43, float* %C1i.0, align 4
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store float %44, float* %C2r.0, align 4
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store float %45, float* %C2i.0, align 4
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%46 = getelementptr inbounds float, float* %A0r.0, i64 %As ; <float*> [#uses=1]
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%47 = getelementptr inbounds float, float* %A0i.0, i64 %As ; <float*> [#uses=1]
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%48 = getelementptr inbounds float, float* %A1r.0, i64 %As ; <float*> [#uses=1]
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%49 = getelementptr inbounds float, float* %A1i.0, i64 %As ; <float*> [#uses=1]
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%50 = getelementptr inbounds float, float* %A2r.0, i64 %As ; <float*> [#uses=1]
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%51 = getelementptr inbounds float, float* %A2i.0, i64 %As ; <float*> [#uses=1]
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%52 = getelementptr inbounds float, float* %C0r.0, i64 %Cs ; <float*> [#uses=1]
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%53 = getelementptr inbounds float, float* %C0i.0, i64 %Cs ; <float*> [#uses=1]
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%54 = getelementptr inbounds float, float* %C1r.0, i64 %Cs ; <float*> [#uses=1]
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%55 = getelementptr inbounds float, float* %C1i.0, i64 %Cs ; <float*> [#uses=1]
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%56 = getelementptr inbounds float, float* %C2r.0, i64 %Cs ; <float*> [#uses=1]
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%57 = getelementptr inbounds float, float* %C2i.0, i64 %Cs ; <float*> [#uses=1]
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%58 = add nsw i64 %i.0, 1 ; <i64> [#uses=1]
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br label %bb13
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bb13: ; preds = %bb, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %58, %bb ] ; <i64> [#uses=2]
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%C2i.0 = phi float* [ %23, %entry ], [ %57, %bb ] ; <float*> [#uses=2]
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%C2r.0 = phi float* [ %20, %entry ], [ %56, %bb ] ; <float*> [#uses=2]
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%C1i.0 = phi float* [ %17, %entry ], [ %55, %bb ] ; <float*> [#uses=2]
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%C1r.0 = phi float* [ %15, %entry ], [ %54, %bb ] ; <float*> [#uses=2]
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%C0i.0 = phi float* [ %13, %entry ], [ %53, %bb ] ; <float*> [#uses=2]
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%C0r.0 = phi float* [ %12, %entry ], [ %52, %bb ] ; <float*> [#uses=2]
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%A2i.0 = phi float* [ %11, %entry ], [ %51, %bb ] ; <float*> [#uses=2]
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%A2r.0 = phi float* [ %8, %entry ], [ %50, %bb ] ; <float*> [#uses=2]
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%A1i.0 = phi float* [ %5, %entry ], [ %49, %bb ] ; <float*> [#uses=2]
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%A1r.0 = phi float* [ %3, %entry ], [ %48, %bb ] ; <float*> [#uses=2]
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%A0i.0 = phi float* [ %1, %entry ], [ %47, %bb ] ; <float*> [#uses=2]
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%A0r.0 = phi float* [ %0, %entry ], [ %46, %bb ] ; <float*> [#uses=2]
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%59 = icmp slt i64 %i.0, %n ; <i1> [#uses=1]
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br i1 %59, label %bb, label %bb14
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bb14: ; preds = %bb13
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br label %return
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return: ; preds = %bb14
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ret void
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}
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