llvm-project/llvm/test/Transforms/IndVarSimplify/2012-10-19-congruent-consta...

28 lines
813 B
LLVM

; RUN: opt -S -indvars < %s | FileCheck %s
; PR12627
define void @test1(i32 %x) nounwind uwtable ssp {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%phi1 = phi i1 [ false, %entry ], [ %cmpa, %for.body ]
%phi2 = phi i1 [ false, %entry ], [ %cmpb, %for.body ]
%i.07 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
tail call void @aux(i1 %phi1, i1 %phi2) nounwind
%cmpa = icmp sgt i32 %i.07, 200
%cmpb = icmp sgt i32 %i.07, 100
%inc = add nsw i32 %i.07, 1
%exitcond = icmp eq i32 %inc, 100
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
; CHECK-LABEL: @test1(
; CHECK-NOT: phi i1
; CHECK: call void @aux(i1 false, i1 false)
}
declare void @aux(i1, i1)