Mercurial > hg > CbC > CbC_llvm
view test/Transforms/IndVarSimplify/lftr_simple.ll @ 123:923c9a525fb0
rename IListTest.cpp
author | mir3636 |
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date | Thu, 30 Nov 2017 18:21:27 +0900 |
parents | 1172e4bd9c6f |
children |
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; LFTR should eliminate the need for the computation of i*i completely. It ; is only used to compute the exit value. ; RUN: opt < %s -indvars -dce -S | FileCheck %s ; Provide legal integer types. target datalayout = "n8:16:32:64" @A = external global i32 ; <i32*> [#uses=1] define i32 @quadratic_setlt() { ; CHECK-LABEL: @quadratic_setlt( ; CHECK-NOT: mul entry: br label %loop loop: ; preds = %loop, %entry %i = phi i32 [ 7, %entry ], [ %i.next, %loop ] ; <i32> [#uses=5] %i.next = add i32 %i, 1 ; <i32> [#uses=1] store i32 %i, i32* @A %i2 = mul i32 %i, %i ; <i32> [#uses=1] %c = icmp slt i32 %i2, 1000 ; <i1> [#uses=1] br i1 %c, label %loop, label %loopexit loopexit: ; preds = %loop ret i32 %i }