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 %} 3 4; 5; int fn() { return true; } 6; 7; int process() { 8; // Use in control flow 9; int a = 0; 10; int b = 0; 11; int val = 0; 12; if (a && b) val++; 13; 14; // Operand with side effects 15; if (fn() && fn()) val++; 16; 17; if (a && fn()) 18; val++; 19; 20; if (fn() && b) 21; val++; 22; return val; 23; } 24; 25; [numthreads(1, 1, 1)] 26; void main() { 27; process(); 28; } 29 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 68; CHECK: OpReturn 69; CHECK: OpFunctionEnd 70; CHECK: %[[#func_41:]] = OpFunction %[[#void:]] None %[[#]] 71; CHECK: %[[#bb58:]] = OpLabel 72; CHECK: OpReturn 73; CHECK: OpFunctionEnd 74 75target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1" 76target triple = "spirv-unknown-vulkan1.3-compute" 77 78; Function Attrs: convergent noinline norecurse nounwind optnone 79define spir_func noundef i32 @_Z2fnv() #0 { 80entry: 81 %0 = call token @llvm.experimental.convergence.entry() 82 ret i32 1 83} 84 85; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) 86declare token @llvm.experimental.convergence.entry() #1 87 88; Function Attrs: convergent noinline norecurse nounwind optnone 89define spir_func noundef i32 @_Z7processv() #0 { 90entry: 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 101 102land.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 106 107if.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 4 111 br label %if.end 112 113if.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 117 118land.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 122 123if.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 4 127 br label %if.end9 128 129if.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 133 134land.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 138 139if.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 4 143 br label %if.end16 144 145if.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 149 150land.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 154 155if.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 4 159 br label %if.end23 160 161if.end23: ; preds = %if.then21, %land.lhs.true19, %if.end16 162 %9 = load i32, ptr %val, align 4 163 ret i32 %9 164} 165 166; Function Attrs: convergent noinline norecurse nounwind optnone 167define internal spir_func void @main() #0 { 168entry: 169 %0 = call token @llvm.experimental.convergence.entry() 170 %call1 = call spir_func noundef i32 @_Z7processv() #3 [ "convergencectrl"(token %0) ] 171 ret void 172} 173 174; Function Attrs: convergent norecurse 175define void @main.1() #2 { 176entry: 177 call void @main() 178 ret void 179} 180 181attributes #0 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 182attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } 183attributes #2 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 184attributes #3 = { convergent } 185 186!llvm.module.flags = !{!0, !1, !2} 187 188 189!0 = !{i32 1, !"wchar_size", i32 4} 190!1 = !{i32 4, !"dx.disable_optimizations", i32 1} 191!2 = !{i32 7, !"frame-pointer", i32 2} 192 193 194