1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=amdgpu-unify-divergent-exit-nodes -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a %s -o - | FileCheck %s
declare void @foo(ptr)
declare i1 @bar(ptr)
define void @musttail_call_without_return_value(ptr %p) {
; CHECK-LABEL: define void @musttail_call_without_return_value(
; CHECK-SAME: ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[LOAD:%.*]] = load i1, ptr [[P]], align 1
; CHECK-NEXT: br i1 [[LOAD]], label %[[BB_0:.*]], label %[[BB_1:.*]]
; CHECK: [[BB_0]]:
; CHECK-NEXT: musttail call void @foo(ptr [[P]])
; CHECK-NEXT: ret void
; CHECK: [[BB_1]]:
; CHECK-NEXT: ret void
;
entry:
%load = load i1, ptr %p, align 1
br i1 %load, label %bb.0, label %bb.1
bb.0:
musttail call void @foo(ptr %p)
ret void
bb.1:
ret void
}
define i1 @musttail_call_with_return_value(ptr %p) {
; CHECK-LABEL: define i1 @musttail_call_with_return_value(
; CHECK-SAME: ptr [[P:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[LOAD:%.*]] = load i1, ptr [[P]], align 1
; CHECK-NEXT: br i1 [[LOAD]], label %[[BB_0:.*]], label %[[BB_1:.*]]
; CHECK: [[BB_0]]:
; CHECK-NEXT: [[RET:%.*]] = musttail call i1 @bar(ptr [[P]])
; CHECK-NEXT: ret i1 [[RET]]
; CHECK: [[BB_1]]:
; CHECK-NEXT: ret i1 [[LOAD]]
;
entry:
%load = load i1, ptr %p, align 1
br i1 %load, label %bb.0, label %bb.1
bb.0:
%ret = musttail call i1 @bar(ptr %p)
ret i1 %ret
bb.1:
ret i1 %load
}
|
