| ; 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 color = 0; |
| ; |
| ; int val = 0; |
| ; |
| ; if (color < 0) { |
| ; val = 1; |
| ; } |
| ; |
| ; // for-stmt following if-stmt |
| ; for (int i = 0; i < 10; ++i) { |
| ; if (color < 0) { // if-stmt nested in for-stmt |
| ; val = val + 1; |
| ; for (int j = 0; j < 15; ++j) { // for-stmt deeply nested in if-then |
| ; val = val * 2; |
| ; } // end for (int j |
| ; val = val + 3; |
| ; } |
| ; |
| ; if (color < 1) { // if-stmt following if-stmt |
| ; val = val * 4; |
| ; } else { |
| ; for (int k = 0; k < 20; ++k) { // for-stmt deeply nested in if-else |
| ; val = val - 5; |
| ; if (val < 0) { // deeply nested if-stmt |
| ; val = val + 100; |
| ; } |
| ; } // end for (int k |
| ; } // end elsek |
| ; } // end for (int i |
| ; |
| ; // if-stmt following for-stmt |
| ; if (color < 2) { |
| ; val = val + 6; |
| ; } |
| ; |
| ; return val; |
| ; } |
| ; |
| ; [numthreads(1, 1, 1)] |
| ; void main() { |
| ; process(); |
| ; } |
| |
| ; CHECK: %[[#func_18:]] = OpFunction %[[#uint:]] DontInline %[[#]] |
| ; CHECK: %[[#bb65:]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb66:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb67:]] %[[#bb66]] |
| ; CHECK: %[[#bb67]] = OpLabel |
| ; CHECK: OpBranch %[[#bb66]] |
| ; CHECK: %[[#bb66]] = OpLabel |
| ; CHECK: OpBranch %[[#bb68:]] |
| ; CHECK: %[[#bb68]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb69:]] %[[#bb70:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb71:]] %[[#bb69]] |
| ; CHECK: %[[#bb69]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb72:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb73:]] %[[#bb72]] |
| ; CHECK: %[[#bb73]] = OpLabel |
| ; CHECK: OpBranch %[[#bb72]] |
| ; CHECK: %[[#bb72]] = OpLabel |
| ; CHECK: OpReturnValue %[[#]] |
| ; CHECK: %[[#bb71]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb74:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb75:]] %[[#bb74]] |
| ; CHECK: %[[#bb75]] = OpLabel |
| ; CHECK: OpBranch %[[#bb76:]] |
| ; CHECK: %[[#bb76]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb77:]] %[[#bb78:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb79:]] %[[#bb77]] |
| ; CHECK: %[[#bb77]] = OpLabel |
| ; CHECK: OpBranch %[[#bb74]] |
| ; CHECK: %[[#bb74]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb80:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb81:]] %[[#bb82:]] |
| ; CHECK: %[[#bb82]] = OpLabel |
| ; CHECK: OpBranch %[[#bb83:]] |
| ; CHECK: %[[#bb83]] = OpLabel |
| ; CHECK: OpLoopMerge %[[#bb84:]] %[[#bb85:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb86:]] %[[#bb84]] |
| ; CHECK: %[[#bb84]] = OpLabel |
| ; CHECK: OpBranch %[[#bb80]] |
| ; CHECK: %[[#bb86]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb87:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb88:]] %[[#bb87]] |
| ; CHECK: %[[#bb88]] = OpLabel |
| ; CHECK: OpBranch %[[#bb87]] |
| ; CHECK: %[[#bb87]] = OpLabel |
| ; CHECK: OpBranch %[[#bb85]] |
| ; CHECK: %[[#bb85]] = OpLabel |
| ; CHECK: OpBranch %[[#bb83]] |
| ; CHECK: %[[#bb81]] = OpLabel |
| ; CHECK: OpBranch %[[#bb80]] |
| ; CHECK: %[[#bb80]] = OpLabel |
| ; CHECK: OpBranch %[[#bb70]] |
| ; CHECK: %[[#bb70]] = OpLabel |
| ; CHECK: OpBranch %[[#bb68]] |
| ; CHECK: %[[#bb79]] = OpLabel |
| ; CHECK: OpBranch %[[#bb78]] |
| ; CHECK: %[[#bb78]] = OpLabel |
| ; CHECK: OpBranch %[[#bb76]] |
| ; CHECK: OpFunctionEnd |
| |
| ; CHECK: %[[#func_61:]] = OpFunction %[[#void:]] DontInline %[[#]] |
| ; CHECK: %[[#bb89:]] = OpLabel |
| ; CHECK: OpReturn |
| ; CHECK: OpFunctionEnd |
| |
| ; CHECK: %[[#func_63:]] = OpFunction %[[#void]] None %[[#]] |
| ; CHECK: %[[#bb90:]] = 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() |
| %color = alloca i32, align 4 |
| %val = alloca i32, align 4 |
| %i = alloca i32, align 4 |
| %j = alloca i32, align 4 |
| %k = alloca i32, align 4 |
| store i32 0, ptr %color, align 4 |
| store i32 0, ptr %val, align 4 |
| %1 = load i32, ptr %color, align 4 |
| %cmp = icmp slt i32 %1, 0 |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| store i32 1, ptr %val, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| store i32 0, ptr %i, align 4 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc23, %if.end |
| %2 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] |
| %3 = load i32, ptr %i, align 4 |
| %cmp1 = icmp slt i32 %3, 10 |
| br i1 %cmp1, label %for.body, label %for.end25 |
| |
| for.body: ; preds = %for.cond |
| %4 = load i32, ptr %color, align 4 |
| %cmp2 = icmp slt i32 %4, 0 |
| br i1 %cmp2, label %if.then3, label %if.end8 |
| |
| if.then3: ; preds = %for.body |
| %5 = load i32, ptr %val, align 4 |
| %add = add nsw i32 %5, 1 |
| store i32 %add, ptr %val, align 4 |
| store i32 0, ptr %j, align 4 |
| br label %for.cond4 |
| |
| for.cond4: ; preds = %for.inc, %if.then3 |
| %6 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %2) ] |
| %7 = load i32, ptr %j, align 4 |
| %cmp5 = icmp slt i32 %7, 15 |
| br i1 %cmp5, label %for.body6, label %for.end |
| |
| for.body6: ; preds = %for.cond4 |
| %8 = load i32, ptr %val, align 4 |
| %mul = mul nsw i32 %8, 2 |
| store i32 %mul, ptr %val, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body6 |
| %9 = load i32, ptr %j, align 4 |
| %inc = add nsw i32 %9, 1 |
| store i32 %inc, ptr %j, align 4 |
| br label %for.cond4 |
| |
| for.end: ; preds = %for.cond4 |
| %10 = load i32, ptr %val, align 4 |
| %add7 = add nsw i32 %10, 3 |
| store i32 %add7, ptr %val, align 4 |
| br label %if.end8 |
| |
| if.end8: ; preds = %for.end, %for.body |
| %11 = load i32, ptr %color, align 4 |
| %cmp9 = icmp slt i32 %11, 1 |
| br i1 %cmp9, label %if.then10, label %if.else |
| |
| if.then10: ; preds = %if.end8 |
| %12 = load i32, ptr %val, align 4 |
| %mul11 = mul nsw i32 %12, 4 |
| store i32 %mul11, ptr %val, align 4 |
| br label %if.end22 |
| |
| if.else: ; preds = %if.end8 |
| store i32 0, ptr %k, align 4 |
| br label %for.cond12 |
| |
| for.cond12: ; preds = %for.inc19, %if.else |
| %13 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %2) ] |
| %14 = load i32, ptr %k, align 4 |
| %cmp13 = icmp slt i32 %14, 20 |
| br i1 %cmp13, label %for.body14, label %for.end21 |
| |
| for.body14: ; preds = %for.cond12 |
| %15 = load i32, ptr %val, align 4 |
| %sub = sub nsw i32 %15, 5 |
| store i32 %sub, ptr %val, align 4 |
| %16 = load i32, ptr %val, align 4 |
| %cmp15 = icmp slt i32 %16, 0 |
| br i1 %cmp15, label %if.then16, label %if.end18 |
| |
| if.then16: ; preds = %for.body14 |
| %17 = load i32, ptr %val, align 4 |
| %add17 = add nsw i32 %17, 100 |
| store i32 %add17, ptr %val, align 4 |
| br label %if.end18 |
| |
| if.end18: ; preds = %if.then16, %for.body14 |
| br label %for.inc19 |
| |
| for.inc19: ; preds = %if.end18 |
| %18 = load i32, ptr %k, align 4 |
| %inc20 = add nsw i32 %18, 1 |
| store i32 %inc20, ptr %k, align 4 |
| br label %for.cond12 |
| |
| for.end21: ; preds = %for.cond12 |
| br label %if.end22 |
| |
| if.end22: ; preds = %for.end21, %if.then10 |
| br label %for.inc23 |
| |
| for.inc23: ; preds = %if.end22 |
| %19 = load i32, ptr %i, align 4 |
| %inc24 = add nsw i32 %19, 1 |
| store i32 %inc24, ptr %i, align 4 |
| br label %for.cond |
| |
| for.end25: ; preds = %for.cond |
| %20 = load i32, ptr %color, align 4 |
| %cmp26 = icmp slt i32 %20, 2 |
| br i1 %cmp26, label %if.then27, label %if.end29 |
| |
| if.then27: ; preds = %for.end25 |
| %21 = load i32, ptr %val, align 4 |
| %add28 = add nsw i32 %21, 6 |
| store i32 %add28, ptr %val, align 4 |
| br label %if.end29 |
| |
| if.end29: ; preds = %if.then27, %for.end25 |
| %22 = load i32, ptr %val, align 4 |
| ret i32 %22 |
| } |
| |
| ; 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} |
| |
| |
