| ; 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 %} |
| |
| ; |
| ; int process() { |
| ; int val = 0; |
| ; |
| ; for (int i = 0; i < 10; ++i) { |
| ; if (i < 5) { |
| ; continue; |
| ; } |
| ; val = i; |
| ; |
| ; { |
| ; continue; |
| ; } |
| ; val++; // No SPIR-V should be emitted for this statement. |
| ; continue; // No SPIR-V should be emitted for this statement. |
| ; while(true); // No SPIR-V should be emitted for this statement. |
| ; } |
| ; |
| ; ////////////////////////////////////////////////////////////////////////////////////// |
| ; // Nested for loops with continue statements // |
| ; // Each continue statement should branch to the corresponding loop's continue block // |
| ; ////////////////////////////////////////////////////////////////////////////////////// |
| ; |
| ; for (int j = 0; j < 10; ++j) { |
| ; val = j+5; |
| ; |
| ; for ( ; val < 20; ++val) { |
| ; int k = val + j; |
| ; continue; |
| ; k++; // No SPIR-V should be emitted for this statement. |
| ; } |
| ; |
| ; val -= 1; |
| ; continue; |
| ; continue; // No SPIR-V should be emitted for this statement. |
| ; val = val*10; // No SPIR-V should be emitted for this statement. |
| ; } |
| ; |
| ; return val; |
| ; } |
| ; |
| ; [numthreads(1, 1, 1)] |
| ; void main() { |
| ; process(); |
| ; } |
| |
| ; CHECK: %[[#func_12:]] = OpFunction %[[#uint:]] DontInline %[[#]] |
| ; CHECK: %[[#bb44:]] = OpLabel |
| ; CHECK: OpBranch %[[#bb45:]] |
| ; CHECK: %[[#bb45]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb46:]] %[[#bb47:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb48:]] %[[#bb46:]] |
| ; CHECK: %[[#bb46]] = OpLabel |
| ; CHECK: OpBranch %[[#bb51:]] |
| ; CHECK: %[[#bb51]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb52:]] %[[#bb53:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb54:]] %[[#bb52]] |
| ; CHECK: %[[#bb52]] = OpLabel |
| ; CHECK: OpReturnValue %[[#]] |
| |
| ; CHECK: %[[#bb54]] = OpLabel |
| ; CHECK: OpBranch %[[#bb55:]] |
| ; CHECK: %[[#bb55]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb56:]] %[[#bb57:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb58:]] %[[#bb56]] |
| ; CHECK: %[[#bb56]] = OpLabel |
| ; CHECK: OpBranch %[[#bb53]] |
| ; CHECK: %[[#bb53]] = OpLabel |
| ; CHECK: OpBranch %[[#bb51]] |
| |
| ; CHECK: %[[#bb58]] = OpLabel |
| ; CHECK: OpBranch %[[#bb57]] |
| ; CHECK: %[[#bb57]] = OpLabel |
| ; CHECK: OpBranch %[[#bb55]] |
| ; CHECK: %[[#bb48]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb49:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb49]] %[[#bb50:]] |
| ; CHECK: %[[#bb50]] = OpLabel |
| ; CHECK: OpBranch %[[#bb49]] |
| |
| ; CHECK: %[[#bb49]] = OpLabel |
| ; CHECK: OpBranch %[[#bb47]] |
| |
| ; CHECK: %[[#bb47]] = OpLabel |
| ; CHECK: OpBranch %[[#bb45]] |
| ; CHECK: OpFunctionEnd |
| |
| ; CHECK: %[[#func_40:]] = OpFunction %[[#void:]] DontInline %[[#]] |
| ; CHECK: %[[#bb59:]] = OpLabel |
| ; CHECK: OpReturn |
| ; CHECK: OpFunctionEnd |
| |
| ; CHECK: %[[#func_42:]] = OpFunction %[[#void:]] None %[[#]] |
| ; CHECK: %[[#bb60:]] = OpLabel |
| ; CHECK: OpReturn |
| ; CHECK: OpFunctionEnd |
| |
| 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-vulkan1.3-compute" |
| |
| ; Function Attrs: convergent noinline norecurse nounwind optnone |
| define spir_func noundef i32 @_Z7processv() #0 { |
| entry: |
| %0 = call token @llvm.experimental.convergence.entry() |
| %val = alloca i32, align 4 |
| %i = alloca i32, align 4 |
| %j = alloca i32, align 4 |
| %k = alloca i32, align 4 |
| store i32 0, ptr %val, align 4 |
| store i32 0, ptr %i, align 4 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] |
| %2 = load i32, ptr %i, align 4 |
| %cmp = icmp slt i32 %2, 10 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %3 = load i32, ptr %i, align 4 |
| %cmp1 = icmp slt i32 %3, 5 |
| br i1 %cmp1, label %if.then, label %if.end |
| |
| if.then: ; preds = %for.body |
| br label %for.inc |
| |
| if.end: ; preds = %for.body |
| %4 = load i32, ptr %i, align 4 |
| store i32 %4, ptr %val, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %if.end, %if.then |
| %5 = load i32, ptr %i, align 4 |
| %inc = add nsw i32 %5, 1 |
| store i32 %inc, ptr %i, align 4 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| store i32 0, ptr %j, align 4 |
| br label %for.cond2 |
| |
| for.cond2: ; preds = %for.inc12, %for.end |
| %6 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] |
| %7 = load i32, ptr %j, align 4 |
| %cmp3 = icmp slt i32 %7, 10 |
| br i1 %cmp3, label %for.body4, label %for.end14 |
| |
| for.body4: ; preds = %for.cond2 |
| %8 = load i32, ptr %j, align 4 |
| %add = add nsw i32 %8, 5 |
| store i32 %add, ptr %val, align 4 |
| br label %for.cond5 |
| |
| for.cond5: ; preds = %for.inc9, %for.body4 |
| %9 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %6) ] |
| %10 = load i32, ptr %val, align 4 |
| %cmp6 = icmp slt i32 %10, 20 |
| br i1 %cmp6, label %for.body7, label %for.end11 |
| |
| for.body7: ; preds = %for.cond5 |
| %11 = load i32, ptr %val, align 4 |
| %12 = load i32, ptr %j, align 4 |
| %add8 = add nsw i32 %11, %12 |
| store i32 %add8, ptr %k, align 4 |
| br label %for.inc9 |
| |
| for.inc9: ; preds = %for.body7 |
| %13 = load i32, ptr %val, align 4 |
| %inc10 = add nsw i32 %13, 1 |
| store i32 %inc10, ptr %val, align 4 |
| br label %for.cond5 |
| |
| for.end11: ; preds = %for.cond5 |
| %14 = load i32, ptr %val, align 4 |
| %sub = sub nsw i32 %14, 1 |
| store i32 %sub, ptr %val, align 4 |
| br label %for.inc12 |
| |
| for.inc12: ; preds = %for.end11 |
| %15 = load i32, ptr %j, align 4 |
| %inc13 = add nsw i32 %15, 1 |
| store i32 %inc13, ptr %j, align 4 |
| br label %for.cond2 |
| |
| for.end14: ; preds = %for.cond2 |
| %16 = load i32, ptr %val, align 4 |
| ret i32 %16 |
| } |
| |
| ; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) |
| declare token @llvm.experimental.convergence.entry() #1 |
| |
| ; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) |
| declare token @llvm.experimental.convergence.loop() #1 |
| |
| ; Function Attrs: convergent noinline norecurse nounwind optnone |
| define internal spir_func void @main() #0 { |
| entry: |
| %0 = call token @llvm.experimental.convergence.entry() |
| %call1 = call spir_func noundef i32 @_Z7processv() #3 [ "convergencectrl"(token %0) ] |
| ret void |
| } |
| |
| ; Function Attrs: convergent norecurse |
| define void @main.1() #2 { |
| entry: |
| call void @main() |
| ret void |
| } |
| |
| attributes #0 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } |
| attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } |
| attributes #2 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } |
| attributes #3 = { convergent } |
| |
| !llvm.module.flags = !{!0, !1, !2} |
| |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 4, !"dx.disable_optimizations", i32 1} |
| !2 = !{i32 7, !"frame-pointer", i32 2} |
| |
| |
