1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
; RUN: opt -passes=ipsccp < %s -S | FileCheck %s
define internal {i32, i32} @identity(i32 %patatino) {
%foo = insertvalue {i32, i32} {i32 1, i32 undef}, i32 %patatino, 1
ret {i32, i32} %foo
}
; Check that the return value is not transformed to undef
; CHECK: define internal { i32, i32 } @identity(i32 %patatino) {
; CHECK-NEXT: %foo = insertvalue { i32, i32 } { i32 1, i32 undef }, i32 %patatino, 1
; CHECK-NEXT: ret { i32, i32 } %foo
; CHECK-NEXT: }
define {i32, i32} @caller(i32 %pat) {
%S1 = call {i32, i32} @identity(i32 %pat)
ret {i32, i32} %S1
}
; Check that we don't invent values and propagate them.
; CHECK: define { i32, i32 } @caller(i32 %pat) {
; CHECK-NEXT: %S1 = call { i32, i32 } @identity(i32 %pat)
; CHECK-NEXT: ret { i32, i32 } %S1
; CHECK-NEXT: }
|
