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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}
target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1"
target triple = "spirv-unknown-vulkan-compute"
; Function Attrs: convergent noinline nounwind optnone
define spir_func noundef i32 @fn() #4 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 1
}
; Function Attrs: convergent noinline nounwind optnone
define spir_func noundef i32 @fn1() #4 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 0
}
; Function Attrs: convergent noinline nounwind optnone
define spir_func noundef i32 @fn2() #4 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 1
}
; CHECK-DAG: OpName %[[#reg_0:]] "cond.reg2mem"
; CHECK-DAG: OpName %[[#reg_1:]] "cond9.reg2mem"
define internal spir_func void @main() #0 {
; CHECK: OpSelectionMerge %[[#cond1_merge:]] None
; CHECK: OpBranchConditional %[[#]] %[[#cond1_true:]] %[[#cond1_false:]]
entry:
%0 = call token @llvm.experimental.convergence.entry()
%a = alloca i32, align 4
%b = alloca i32, align 4
br i1 true, label %cond1_true, label %cond1_false
; CHECK: %[[#cond1_false]] = OpLabel
; CHECK: OpStore %[[#reg_0]] %[[#]]
; CHECK: OpBranch %[[#cond1_merge]]
cond1_false:
%2 = load i32, ptr %b, align 4
br label %cond1_merge
; CHECK: %[[#cond1_true]] = OpLabel
; CHECK: OpStore %[[#reg_0]] %[[#]]
; CHECK: OpBranch %[[#cond1_merge]]
cond1_true:
%3 = load i32, ptr %a, align 4
br label %cond1_merge
; CHECK: %[[#cond1_merge]] = OpLabel
; CHECK: %[[#tmp:]] = OpLoad %[[#]] %[[#reg_0]]
; CHECK: %[[#cond:]] = OpINotEqual %[[#]] %[[#tmp]] %[[#]]
; CHECK: OpSelectionMerge %[[#cond2_merge:]] None
; CHECK: OpBranchConditional %[[#cond]] %[[#cond2_true:]] %[[#cond2_merge]]
cond1_merge:
%cond = phi i32 [ %3, %cond1_true ], [ %2, %cond1_false ]
%tobool1 = icmp ne i32 %cond, 0
br i1 %tobool1, label %cond2_true, label %cond2_merge
; CHECK: %[[#cond2_true]] = OpLabel
; CHECK: OpBranch %[[#cond2_merge]]
cond2_true:
store i32 0, ptr %a
br label %cond2_merge
; CHECK: %[[#cond2_merge]] = OpLabel
; CHECK: OpFunctionCall
; CHECK: OpSelectionMerge %[[#cond3_merge:]] None
; CHECK: OpBranchConditional %[[#]] %[[#cond3_true:]] %[[#cond3_false:]]
cond2_merge:
%call2 = call spir_func noundef i32 @fn() #4 [ "convergencectrl"(token %0) ]
br i1 true, label %cond3_true, label %cond3_false
; CHECK: %[[#cond3_false]] = OpLabel
; CHECK: OpFunctionCall
; CHECK: OpStore %[[#reg_1]] %[[#]]
; CHECK: OpBranch %[[#cond3_merge]]
cond3_false:
%call7 = call spir_func noundef i32 @fn2() #4 [ "convergencectrl"(token %0) ]
br label %cond3_merge
; CHECK: %[[#cond3_true]] = OpLabel
; CHECK: OpFunctionCall
; CHECK: OpStore %[[#reg_1]] %[[#]]
; CHECK: OpBranch %[[#cond3_merge]]
cond3_true:
%call5 = call spir_func noundef i32 @fn1() #4 [ "convergencectrl"(token %0) ]
br label %cond3_merge
; CHECK: %[[#cond3_merge]] = OpLabel
; CHECK: %[[#tmp:]] = OpLoad %[[#]] %[[#reg_1]]
; CHECK: %[[#cond:]] = OpINotEqual %[[#]] %[[#tmp]] %[[#]]
; CHECK: OpSelectionMerge %[[#cond4_merge:]] None
; CHECK: OpBranchConditional %[[#cond]] %[[#cond4_true:]] %[[#cond4_merge]]
cond3_merge:
%cond9 = phi i32 [ %call5, %cond3_true ], [ %call7, %cond3_false ]
%tobool10 = icmp ne i32 %cond9, 0
br i1 %tobool10, label %cond4_true, label %cond4_merge
; CHECK: %[[#cond4_true]] = OpLabel
; CHECK: OpBranch %[[#cond4_merge]]
cond4_true:
store i32 0, ptr %a
br label %cond4_merge
; CHECK: %[[#cond4_merge]] = OpLabel
; CHECK: OpReturn
cond4_merge:
ret void
}
declare token @llvm.experimental.convergence.entry() #2
attributes #0 = { convergent noinline norecurse nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #1 = { convergent norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #2 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
attributes #3 = { convergent }
attributes #4 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
!llvm.module.flags = !{!0, !1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 4, !"dx.disable_optimizations", i32 1}
|
