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1; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}3 4;5; int process() {6; int val = 0;7;8; for (int i = 0; i < 10; ++i) {9; if (i < 5) {10; continue;11; }12; val = i;13;14; {15; continue;16; }17; val++; // No SPIR-V should be emitted for this statement.18; continue; // No SPIR-V should be emitted for this statement.19; while(true); // No SPIR-V should be emitted for this statement.20; }21;22; //////////////////////////////////////////////////////////////////////////////////////23; // Nested for loops with continue statements //24; // Each continue statement should branch to the corresponding loop's continue block //25; //////////////////////////////////////////////////////////////////////////////////////26;27; for (int j = 0; j < 10; ++j) {28; val = j+5;29;30; for ( ; val < 20; ++val) {31; int k = val + j;32; continue;33; k++; // No SPIR-V should be emitted for this statement.34; }35;36; val -= 1;37; continue;38; continue; // No SPIR-V should be emitted for this statement.39; val = val*10; // No SPIR-V should be emitted for this statement.40; }41;42; return val;43; }44;45; [numthreads(1, 1, 1)]46; void main() {47; process();48; }49 50; CHECK: %[[#func_12:]] = OpFunction %[[#uint:]] DontInline %[[#]]51; CHECK: %[[#bb44:]] = OpLabel52; CHECK: OpBranch %[[#bb45:]]53; CHECK: %[[#bb45]] = OpLabel54; CHECK: OpLoopMerge %[[#bb46:]] %[[#bb47:]] None55; CHECK: OpBranchConditional %[[#]] %[[#bb48:]] %[[#bb46:]]56 ; CHECK: %[[#bb46]] = OpLabel57 ; CHECK: OpBranch %[[#bb51:]]58 ; CHECK: %[[#bb51]] = OpLabel59 ; CHECK: OpLoopMerge %[[#bb52:]] %[[#bb53:]] None60 ; CHECK: OpBranchConditional %[[#]] %[[#bb54:]] %[[#bb52]]61 ; CHECK: %[[#bb52]] = OpLabel62 ; CHECK: OpReturnValue %[[#]]63 64 ; CHECK: %[[#bb54]] = OpLabel65 ; CHECK: OpBranch %[[#bb55:]]66 ; CHECK: %[[#bb55]] = OpLabel67 ; CHECK: OpLoopMerge %[[#bb56:]] %[[#bb57:]] None68 ; CHECK: OpBranchConditional %[[#]] %[[#bb58:]] %[[#bb56]]69 ; CHECK: %[[#bb56]] = OpLabel70 ; CHECK: OpBranch %[[#bb53]]71 ; CHECK: %[[#bb53]] = OpLabel72 ; CHECK: OpBranch %[[#bb51]]73 74 ; CHECK: %[[#bb58]] = OpLabel75 ; CHECK: OpBranch %[[#bb57]]76 ; CHECK: %[[#bb57]] = OpLabel77 ; CHECK: OpBranch %[[#bb55]]78 ; CHECK: %[[#bb48]] = OpLabel79 ; CHECK: OpSelectionMerge %[[#bb49:]] None80 ; CHECK: OpBranchConditional %[[#]] %[[#bb49]] %[[#bb50:]]81 ; CHECK: %[[#bb50]] = OpLabel82 ; CHECK: OpBranch %[[#bb49]]83 84 ; CHECK: %[[#bb49]] = OpLabel85 ; CHECK: OpBranch %[[#bb47]]86 87; CHECK: %[[#bb47]] = OpLabel88; CHECK: OpBranch %[[#bb45]]89; CHECK: OpFunctionEnd90 91; CHECK: %[[#func_40:]] = OpFunction %[[#void:]] DontInline %[[#]]92; CHECK: %[[#bb59:]] = OpLabel93; CHECK: OpReturn94; CHECK: OpFunctionEnd95 96; CHECK: %[[#func_42:]] = OpFunction %[[#void:]] None %[[#]]97; CHECK: %[[#bb60:]] = OpLabel98; CHECK: OpReturn99; CHECK: OpFunctionEnd100 101target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1"102target triple = "spirv-unknown-vulkan1.3-compute"103 104; Function Attrs: convergent noinline norecurse nounwind optnone105define spir_func noundef i32 @_Z7processv() #0 {106entry:107 %0 = call token @llvm.experimental.convergence.entry()108 %val = alloca i32, align 4109 %i = alloca i32, align 4110 %j = alloca i32, align 4111 %k = alloca i32, align 4112 store i32 0, ptr %val, align 4113 store i32 0, ptr %i, align 4114 br label %for.cond115 116for.cond: ; preds = %for.inc, %entry117 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]118 %2 = load i32, ptr %i, align 4119 %cmp = icmp slt i32 %2, 10120 br i1 %cmp, label %for.body, label %for.end121 122for.body: ; preds = %for.cond123 %3 = load i32, ptr %i, align 4124 %cmp1 = icmp slt i32 %3, 5125 br i1 %cmp1, label %if.then, label %if.end126 127if.then: ; preds = %for.body128 br label %for.inc129 130if.end: ; preds = %for.body131 %4 = load i32, ptr %i, align 4132 store i32 %4, ptr %val, align 4133 br label %for.inc134 135for.inc: ; preds = %if.end, %if.then136 %5 = load i32, ptr %i, align 4137 %inc = add nsw i32 %5, 1138 store i32 %inc, ptr %i, align 4139 br label %for.cond140 141for.end: ; preds = %for.cond142 store i32 0, ptr %j, align 4143 br label %for.cond2144 145for.cond2: ; preds = %for.inc12, %for.end146 %6 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]147 %7 = load i32, ptr %j, align 4148 %cmp3 = icmp slt i32 %7, 10149 br i1 %cmp3, label %for.body4, label %for.end14150 151for.body4: ; preds = %for.cond2152 %8 = load i32, ptr %j, align 4153 %add = add nsw i32 %8, 5154 store i32 %add, ptr %val, align 4155 br label %for.cond5156 157for.cond5: ; preds = %for.inc9, %for.body4158 %9 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %6) ]159 %10 = load i32, ptr %val, align 4160 %cmp6 = icmp slt i32 %10, 20161 br i1 %cmp6, label %for.body7, label %for.end11162 163for.body7: ; preds = %for.cond5164 %11 = load i32, ptr %val, align 4165 %12 = load i32, ptr %j, align 4166 %add8 = add nsw i32 %11, %12167 store i32 %add8, ptr %k, align 4168 br label %for.inc9169 170for.inc9: ; preds = %for.body7171 %13 = load i32, ptr %val, align 4172 %inc10 = add nsw i32 %13, 1173 store i32 %inc10, ptr %val, align 4174 br label %for.cond5175 176for.end11: ; preds = %for.cond5177 %14 = load i32, ptr %val, align 4178 %sub = sub nsw i32 %14, 1179 store i32 %sub, ptr %val, align 4180 br label %for.inc12181 182for.inc12: ; preds = %for.end11183 %15 = load i32, ptr %j, align 4184 %inc13 = add nsw i32 %15, 1185 store i32 %inc13, ptr %j, align 4186 br label %for.cond2187 188for.end14: ; preds = %for.cond2189 %16 = load i32, ptr %val, align 4190 ret i32 %16191}192 193; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)194declare token @llvm.experimental.convergence.entry() #1195 196; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)197declare token @llvm.experimental.convergence.loop() #1198 199; Function Attrs: convergent noinline norecurse nounwind optnone200define internal spir_func void @main() #0 {201entry:202 %0 = call token @llvm.experimental.convergence.entry()203 %call1 = call spir_func noundef i32 @_Z7processv() #3 [ "convergencectrl"(token %0) ]204 ret void205}206 207; Function Attrs: convergent norecurse208define void @main.1() #2 {209entry:210 call void @main()211 ret void212}213 214attributes #0 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }215attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }216attributes #2 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }217attributes #3 = { convergent }218 219!llvm.module.flags = !{!0, !1, !2}220 221 222!0 = !{i32 1, !"wchar_size", i32 4}223!1 = !{i32 4, !"dx.disable_optimizations", i32 1}224!2 = !{i32 7, !"frame-pointer", i32 2}225 226 227