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; RUN: opt -inline < %s -S -o - -inline-threshold=10 | FileCheck %s
target datalayout = "p:32:32"
define i32 @outer1() {
; CHECK-LABEL: @outer1(
; CHECK-NOT: call
; CHECK: ret i32
%ptr = alloca i32
%ptr1 = getelementptr inbounds i32* %ptr, i32 0
%ptr2 = getelementptr inbounds i32* %ptr, i32 42
%result = call i32 @inner1(i32* %ptr1, i32* %ptr2)
ret i32 %result
}
define i32 @inner1(i32* %begin, i32* %end) {
%begin.i = ptrtoint i32* %begin to i32
%end.i = ptrtoint i32* %end to i32
%distance = sub i32 %end.i, %begin.i
%icmp = icmp sle i32 %distance, 42
br i1 %icmp, label %then, label %else
then:
ret i32 3
else:
%t = load i32* %begin
ret i32 %t
}
define i32 @outer2(i32* %ptr) {
; Test that an inbounds GEP disables this -- it isn't safe in general as
; wrapping changes the behavior of lessthan and greaterthan comparisions.
; CHECK-LABEL: @outer2(
; CHECK: call i32 @inner2
; CHECK: ret i32
%ptr1 = getelementptr i32* %ptr, i32 0
%ptr2 = getelementptr i32* %ptr, i32 42
%result = call i32 @inner2(i32* %ptr1, i32* %ptr2)
ret i32 %result
}
define i32 @inner2(i32* %begin, i32* %end) {
%begin.i = ptrtoint i32* %begin to i32
%end.i = ptrtoint i32* %end to i32
%distance = sub i32 %end.i, %begin.i
%icmp = icmp sle i32 %distance, 42
br i1 %icmp, label %then, label %else
then:
ret i32 3
else:
%t = load i32* %begin
ret i32 %t
}
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