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| ; RUN: opt -S -indvars < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
declare void @use(i1)
define void @f(i32 %x) {
; CHECK-LABEL: @f(
entry:
%conv = sext i32 %x to i64
%sub = add i64 %conv, -1
%ec = icmp sgt i32 %x, 0
br i1 %ec, label %loop, label %leave
loop:
; CHECK: loop:
%iv = phi i64 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add i64 %iv, 1
%cmp = icmp slt i64 %iv, %sub
call void @use(i1 %cmp)
; CHECK: call void @use(i1 %cmp)
; CHECK-NOT: call void @use(i1 true)
%be.cond = icmp slt i64 %iv.inc, %conv
br i1 %be.cond, label %loop, label %leave
leave:
ret void
}
|