1 ; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s
2 ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}
5 ; int fn() { return true; }
8 ; // Use in control flow
14 ; // Operand with side effects
15 ; if (fn() && fn()) val++;
25 ; [numthreads(1, 1, 1)]
30 ; CHECK: %[[#func_9:]] = OpFunction %[[#uint:]] DontInline %[[#]]
31 ; CHECK: %[[#bb43:]] = OpLabel
32 ; CHECK: OpReturnValue %[[#]]
33 ; CHECK: OpFunctionEnd
34 ; CHECK: %[[#func_10:]] = OpFunction %[[#uint:]] DontInline %[[#]]
35 ; CHECK: %[[#bb44:]] = OpLabel
36 ; CHECK: OpSelectionMerge %[[#bb45:]] None
37 ; CHECK: OpBranchConditional %[[#]] %[[#bb46:]] %[[#bb45:]]
38 ; CHECK: %[[#bb46:]] = OpLabel
39 ; CHECK: OpBranchConditional %[[#]] %[[#bb47:]] %[[#bb45:]]
40 ; CHECK: %[[#bb47:]] = OpLabel
41 ; CHECK: OpBranch %[[#bb45:]]
42 ; CHECK: %[[#bb45:]] = OpLabel
43 ; CHECK: OpSelectionMerge %[[#bb48:]] None
44 ; CHECK: OpBranchConditional %[[#]] %[[#bb49:]] %[[#bb48:]]
45 ; CHECK: %[[#bb49:]] = OpLabel
46 ; CHECK: OpBranchConditional %[[#]] %[[#bb50:]] %[[#bb48:]]
47 ; CHECK: %[[#bb50:]] = OpLabel
48 ; CHECK: OpBranch %[[#bb48:]]
49 ; CHECK: %[[#bb48:]] = OpLabel
50 ; CHECK: OpSelectionMerge %[[#bb51:]] None
51 ; CHECK: OpBranchConditional %[[#]] %[[#bb52:]] %[[#bb51:]]
52 ; CHECK: %[[#bb52:]] = OpLabel
53 ; CHECK: OpBranchConditional %[[#]] %[[#bb53:]] %[[#bb51:]]
54 ; CHECK: %[[#bb53:]] = OpLabel
55 ; CHECK: OpBranch %[[#bb51:]]
56 ; CHECK: %[[#bb51:]] = OpLabel
57 ; CHECK: OpSelectionMerge %[[#bb54:]] None
58 ; CHECK: OpBranchConditional %[[#]] %[[#bb55:]] %[[#bb54:]]
59 ; CHECK: %[[#bb55:]] = OpLabel
60 ; CHECK: OpBranchConditional %[[#]] %[[#bb56:]] %[[#bb54:]]
61 ; CHECK: %[[#bb56:]] = OpLabel
62 ; CHECK: OpBranch %[[#bb54:]]
63 ; CHECK: %[[#bb54:]] = OpLabel
64 ; CHECK: OpReturnValue %[[#]]
65 ; CHECK: OpFunctionEnd
66 ; CHECK: %[[#func_39:]] = OpFunction %[[#void:]] DontInline %[[#]]
67 ; CHECK: %[[#bb57:]] = OpLabel
69 ; CHECK: OpFunctionEnd
70 ; CHECK: %[[#func_41:]] = OpFunction %[[#void:]] None %[[#]]
71 ; CHECK: %[[#bb58:]] = OpLabel
73 ; CHECK: OpFunctionEnd
75 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1"
76 target triple = "spirv-unknown-vulkan1.3-compute"
78 ; Function Attrs: convergent noinline norecurse nounwind optnone
79 define spir_func noundef i32 @_Z2fnv() #0 {
81 %0 = call token @llvm.experimental.convergence.entry()
85 ; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)
86 declare token @llvm.experimental.convergence.entry() #1
88 ; Function Attrs: convergent noinline norecurse nounwind optnone
89 define spir_func noundef i32 @_Z7processv() #0 {
91 %0 = call token @llvm.experimental.convergence.entry()
92 %a = alloca i32, align 4
93 %b = alloca i32, align 4
94 %val = alloca i32, align 4
95 store i32 0, ptr %a, align 4
96 store i32 0, ptr %b, align 4
97 store i32 0, ptr %val, align 4
98 %1 = load i32, ptr %a, align 4
99 %tobool = icmp ne i32 %1, 0
100 br i1 %tobool, label %land.lhs.true, label %if.end
102 land.lhs.true: ; preds = %entry
103 %2 = load i32, ptr %b, align 4
104 %tobool1 = icmp ne i32 %2, 0
105 br i1 %tobool1, label %if.then, label %if.end
107 if.then: ; preds = %land.lhs.true
108 %3 = load i32, ptr %val, align 4
109 %inc = add nsw i32 %3, 1
110 store i32 %inc, ptr %val, align 4
113 if.end: ; preds = %if.then, %land.lhs.true, %entry
114 %call2 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
115 %tobool3 = icmp ne i32 %call2, 0
116 br i1 %tobool3, label %land.lhs.true4, label %if.end9
118 land.lhs.true4: ; preds = %if.end
119 %call5 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
120 %tobool6 = icmp ne i32 %call5, 0
121 br i1 %tobool6, label %if.then7, label %if.end9
123 if.then7: ; preds = %land.lhs.true4
124 %4 = load i32, ptr %val, align 4
125 %inc8 = add nsw i32 %4, 1
126 store i32 %inc8, ptr %val, align 4
129 if.end9: ; preds = %if.then7, %land.lhs.true4, %if.end
130 %5 = load i32, ptr %a, align 4
131 %tobool10 = icmp ne i32 %5, 0
132 br i1 %tobool10, label %land.lhs.true11, label %if.end16
134 land.lhs.true11: ; preds = %if.end9
135 %call12 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
136 %tobool13 = icmp ne i32 %call12, 0
137 br i1 %tobool13, label %if.then14, label %if.end16
139 if.then14: ; preds = %land.lhs.true11
140 %6 = load i32, ptr %val, align 4
141 %inc15 = add nsw i32 %6, 1
142 store i32 %inc15, ptr %val, align 4
145 if.end16: ; preds = %if.then14, %land.lhs.true11, %if.end9
146 %call17 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
147 %tobool18 = icmp ne i32 %call17, 0
148 br i1 %tobool18, label %land.lhs.true19, label %if.end23
150 land.lhs.true19: ; preds = %if.end16
151 %7 = load i32, ptr %b, align 4
152 %tobool20 = icmp ne i32 %7, 0
153 br i1 %tobool20, label %if.then21, label %if.end23
155 if.then21: ; preds = %land.lhs.true19
156 %8 = load i32, ptr %val, align 4
157 %inc22 = add nsw i32 %8, 1
158 store i32 %inc22, ptr %val, align 4
161 if.end23: ; preds = %if.then21, %land.lhs.true19, %if.end16
162 %9 = load i32, ptr %val, align 4
166 ; Function Attrs: convergent noinline norecurse nounwind optnone
167 define internal spir_func void @main() #0 {
169 %0 = call token @llvm.experimental.convergence.entry()
170 %call1 = call spir_func noundef i32 @_Z7processv() #3 [ "convergencectrl"(token %0) ]
174 ; Function Attrs: convergent norecurse
175 define void @main.1() #2 {
181 attributes #0 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
182 attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
183 attributes #2 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
184 attributes #3 = { convergent }
186 !llvm.module.flags = !{!0, !1, !2}
189 !0 = !{i32 1, !"wchar_size", i32 4}
190 !1 = !{i32 4, !"dx.disable_optimizations", i32 1}
191 !2 = !{i32 7, !"frame-pointer", i32 2}