1 ; RUN: opt -inline < %s -S -o - -inline-threshold=10 | FileCheck %s
3 target datalayout = "p:32:32-p1:64:64-p2:16:16-n16:32:64"
6 ; CHECK-LABEL: @outer1(
11 %ptr1 = getelementptr inbounds i32, i32* %ptr, i32 0
12 %ptr2 = getelementptr inbounds i32, i32* %ptr, i32 42
13 %result = call i32 @inner1(i32* %ptr1, i32* %ptr2)
17 define i32 @inner1(i32* %begin, i32* %end) {
19 %begin.i = ptrtoint i32* %begin to i32
20 %end.i = ptrtoint i32* %end to i32
21 %distance = sub i32 %end.i, %begin.i
22 %icmp = icmp sle i32 %distance, 42
23 br i1 %icmp, label %then, label %else
29 %t = load i32, i32* %begin
33 define i32 @outer2(i32* %ptr) {
34 ; Test that an inbounds GEP disables this -- it isn't safe in general as
35 ; wrapping changes the behavior of lessthan and greaterthan comparisons.
36 ; CHECK-LABEL: @outer2(
37 ; CHECK: call i32 @inner2
40 %ptr1 = getelementptr i32, i32* %ptr, i32 0
41 %ptr2 = getelementptr i32, i32* %ptr, i32 42
42 %result = call i32 @inner2(i32* %ptr1, i32* %ptr2)
46 define i32 @inner2(i32* %begin, i32* %end) {
48 %begin.i = ptrtoint i32* %begin to i32
49 %end.i = ptrtoint i32* %end to i32
50 %distance = sub i32 %end.i, %begin.i
51 %icmp = icmp sle i32 %distance, 42
52 br i1 %icmp, label %then, label %else
58 %t = load i32, i32* %begin
62 ; The inttoptrs are free since it is a smaller integer to a larger
64 define i32 @inttoptr_free_cost(i32 %a, i32 %b, i32 %c) {
66 %p1 = inttoptr i32 %a to i32 addrspace(1)*
67 %p2 = inttoptr i32 %b to i32 addrspace(1)*
68 %p3 = inttoptr i32 %c to i32 addrspace(1)*
69 %t1 = load i32, i32 addrspace(1)* %p1
70 %t2 = load i32, i32 addrspace(1)* %p2
71 %t3 = load i32, i32 addrspace(1)* %p3
77 define i32 @inttoptr_free_cost_user(i32 %begin, i32 %end) {
78 ; CHECK-LABEL: @inttoptr_free_cost_user(
80 %x = call i32 @inttoptr_free_cost(i32 %begin, i32 %end, i32 9)
84 ; The inttoptrs have a cost since it is a larger integer to a smaller
86 define i32 @inttoptr_cost_smaller_ptr(i32 %a, i32 %b, i32 %c) {
88 %p1 = inttoptr i32 %a to i32 addrspace(2)*
89 %p2 = inttoptr i32 %b to i32 addrspace(2)*
90 %p3 = inttoptr i32 %c to i32 addrspace(2)*
91 %t1 = load i32, i32 addrspace(2)* %p1
92 %t2 = load i32, i32 addrspace(2)* %p2
93 %t3 = load i32, i32 addrspace(2)* %p3
99 define i32 @inttoptr_cost_smaller_ptr_user(i32 %begin, i32 %end) {
100 ; CHECK-LABEL: @inttoptr_cost_smaller_ptr_user(
102 %x = call i32 @inttoptr_cost_smaller_ptr(i32 %begin, i32 %end, i32 9)
106 declare void @extern()