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; RUN: opt < %s -indvars -S | FileCheck %s
; Provide legal integer types.
target datalayout = "n8:16:32:64"
target triple = "x86_64-apple-darwin"
; CHECK-LABEL: @sloop
; CHECK-LABEL: B18:
; Only one phi now.
; CHECK: phi
; CHECK-NOT: phi
; One trunc for the gep.
; CHECK: trunc i64 %indvars.iv to i32
; One trunc for the dummy() call.
; CHECK-LABEL: exit24:
; CHECK: trunc i64 {{.*}}lcssa.wide to i32
define void @sloop(i32* %a) {
Prologue:
br i1 undef, label %B18, label %B6
B18: ; preds = %B24, %Prologue
%.02 = phi i32 [ 0, %Prologue ], [ %tmp33, %B24 ]
%tmp23 = zext i32 %.02 to i64
%tmp33 = add i32 %.02, 1
%o = getelementptr i32, i32* %a, i32 %.02
%v = load i32, i32* %o
%t = icmp eq i32 %v, 0
br i1 %t, label %exit24, label %B24
B24: ; preds = %B18
%t2 = icmp eq i32 %tmp33, 20
br i1 %t2, label %B6, label %B18
B6: ; preds = %Prologue
ret void
exit24: ; preds = %B18
call void @dummy(i32 %.02)
unreachable
}
declare void @dummy(i32)
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