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 @outer1_as1(i32 addrspace(1)* %ptr) {
34 ; CHECK-LABEL: @outer1_as1(
37 %ptr1 = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i32 0
38 %ptr2 = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i32 42
39 %result = call i32 @inner1_as1(i32 addrspace(1)* %ptr1, i32 addrspace(1)* %ptr2)
43 ; Make sure that the address space's larger size makes the ptrtoints
44 ; not no-ops preventing inlining
45 define i32 @inner1_as1(i32 addrspace(1)* %begin, i32 addrspace(1)* %end) {
46 %begin.i = ptrtoint i32 addrspace(1)* %begin to i32
47 %end.i = ptrtoint i32 addrspace(1)* %end to i32
48 %distance = sub i32 %end.i, %begin.i
49 %icmp = icmp sle i32 %distance, 42
50 br i1 %icmp, label %then, label %else
56 %t = load i32, i32 addrspace(1)* %begin
60 define i32 @outer2(i32* %ptr) {
61 ; Test that an inbounds GEP disables this -- it isn't safe in general as
62 ; wrapping changes the behavior of lessthan and greaterthan comparisons.
63 ; CHECK-LABEL: @outer2(
64 ; CHECK: call i32 @inner2
67 %ptr1 = getelementptr i32, i32* %ptr, i32 0
68 %ptr2 = getelementptr i32, i32* %ptr, i32 42
69 %result = call i32 @inner2(i32* %ptr1, i32* %ptr2)
73 define i32 @inner2(i32* %begin, i32* %end) {
75 %begin.i = ptrtoint i32* %begin to i32
76 %end.i = ptrtoint i32* %end to i32
77 %distance = sub i32 %end.i, %begin.i
78 %icmp = icmp sle i32 %distance, 42
79 br i1 %icmp, label %then, label %else
85 %t = load i32, i32* %begin
89 define i32 @outer3(i16* addrspace(1)* %ptr) {
90 ; CHECK-LABEL: @outer3(
93 ; CHECK-LABEL: @inner3(
94 %result = call i32 @inner3(i16* addrspace(1)* %ptr)
98 define i32 @inner3(i16* addrspace(1)* %ptr) {
100 %ptr.i = ptrtoint i16* addrspace(1)* %ptr to i64
101 %distance = sub i64 %ptr.i, %ptr.i
102 %icmp = icmp eq i64 %distance, 0
103 br i1 %icmp, label %then, label %else
113 ; The inttoptrs are free since it is a smaller integer to a larger
115 define i32 @inttoptr_free_cost(i32 %a, i32 %b, i32 %c) {
117 %p1 = inttoptr i32 %a to i32 addrspace(1)*
118 %p2 = inttoptr i32 %b to i32 addrspace(1)*
119 %p3 = inttoptr i32 %c to i32 addrspace(1)*
120 %t1 = load i32, i32 addrspace(1)* %p1
121 %t2 = load i32, i32 addrspace(1)* %p2
122 %t3 = load i32, i32 addrspace(1)* %p3
123 %s = add i32 %t1, %t2
124 %s1 = add i32 %s, %t3
128 define i32 @inttoptr_free_cost_user(i32 %begin, i32 %end) {
129 ; CHECK-LABEL: @inttoptr_free_cost_user(
130 ; CHECK-NOT: call i32
131 %x = call i32 @inttoptr_free_cost(i32 %begin, i32 %end, i32 9)
135 ; The inttoptrs have a cost since it is a larger integer to a smaller
137 define i32 @inttoptr_cost_smaller_ptr(i32 %a, i32 %b, i32 %c) {
139 %p1 = inttoptr i32 %a to i32 addrspace(2)*
140 %p2 = inttoptr i32 %b to i32 addrspace(2)*
141 %p3 = inttoptr i32 %c to i32 addrspace(2)*
142 %t1 = load i32, i32 addrspace(2)* %p1
143 %t2 = load i32, i32 addrspace(2)* %p2
144 %t3 = load i32, i32 addrspace(2)* %p3
145 %s = add i32 %t1, %t2
146 %s1 = add i32 %s, %t3
150 define i32 @inttoptr_cost_smaller_ptr_user(i32 %begin, i32 %end) {
151 ; CHECK-LABEL: @inttoptr_cost_smaller_ptr_user(
153 %x = call i32 @inttoptr_cost_smaller_ptr(i32 %begin, i32 %end, i32 9)
157 declare void @extern()