llvm-6502/test/Transforms/IndVarSimplify/gep-with-mul-base.ll
Andrew Trick 857ad229be Conditionalize indvars test that relies on SCEV expansion of geps,
which is only relevant with canonical IVs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139556 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12 23:13:57 +00:00

69 lines
2.1 KiB
LLVM

; RUN: opt < %s -indvars -S -enable-iv-rewrite | FileCheck %s
; CHECK: define void @foo
; CHECK: mul
; CHECK: mul
; CHECK: mul
; CHECK: add
; CHECK: sub
; CHECK: define void @bar
; CHECK: mul
; CHECK: mul
; CHECK: mul
; CHECK: add
; CHECK: sub
define void @foo(i64 %n, i64 %m, i64 %o, double* nocapture %p) nounwind {
entry:
%tmp = icmp sgt i64 %n, 0 ; <i1> [#uses=1]
br i1 %tmp, label %bb.nph, label %return
bb.nph: ; preds = %entry
%tmp1 = mul i64 %n, 37 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %m ; <i64> [#uses=1]
%tmp3 = mul i64 %tmp2, %o ; <i64> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%i.01 = phi i64 [ %tmp3, %bb.nph ], [ %tmp13, %bb ] ; <i64> [#uses=3]
%tmp9 = getelementptr double* %p, i64 %i.01 ; <double*> [#uses=1]
%tmp10 = load double* %tmp9, align 8 ; <double> [#uses=1]
%tmp11 = fdiv double %tmp10, 2.100000e+00 ; <double> [#uses=1]
store double %tmp11, double* %tmp9, align 8
%tmp13 = add i64 %i.01, 1 ; <i64> [#uses=2]
%tmp14 = icmp slt i64 %tmp13, %n ; <i1> [#uses=1]
br i1 %tmp14, label %bb, label %return.loopexit
return.loopexit: ; preds = %bb
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}
define void @bar(i64 %n, i64 %m, i64 %o, i64 %q, double* nocapture %p) nounwind {
entry:
%tmp = icmp sgt i64 %n, 0 ; <i1> [#uses=1]
br i1 %tmp, label %bb.nph, label %return
bb.nph: ; preds = %entry
%tmp1 = mul i64 %n, %q ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %m ; <i64> [#uses=1]
%tmp3 = mul i64 %tmp2, %o ; <i64> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%i.01 = phi i64 [ %tmp3, %bb.nph ], [ %tmp13, %bb ] ; <i64> [#uses=3]
%tmp9 = getelementptr double* %p, i64 %i.01 ; <double*> [#uses=1]
%tmp10 = load double* %tmp9, align 8 ; <double> [#uses=1]
%tmp11 = fdiv double %tmp10, 2.100000e+00 ; <double> [#uses=1]
store double %tmp11, double* %tmp9, align 8
%tmp13 = add i64 %i.01, 1 ; <i64> [#uses=2]
%tmp14 = icmp slt i64 %tmp13, %n ; <i1> [#uses=1]
br i1 %tmp14, label %bb, label %return.loopexit
return.loopexit: ; preds = %bb
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}