1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
; Check that the call doesn't get removed even if
; it has no uses. It could have side-effects.
; RUN: opt -loop-unswitch -S %s | FileCheck %s
; RUN: opt -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -S %s | FileCheck %s
; CHECK-LABEL: @tinky
define i32 @tinkywinky(i8 %patatino) {
%cmp1 = icmp slt i8 %patatino, 5
br label %body
body:
%i = select i1 %cmp1, i8 6, i8 undef
br i1 true, label %body, label %end
end:
%split = phi i8 [ %i, %body ]
%conv4 = sext i8 %split to i32
; CHECK: tail call fastcc i32 @fn5(
%call = tail call fastcc i32 @fn5(i32 %conv4)
ret i32 0
}
declare fastcc i32 @fn5(i32 returned) unnamed_addr
|
