| ; 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 fn() { return true; } |
| ; |
| ; int process() { |
| ; // Use in control flow |
| ; int a = 0; |
| ; int b = 0; |
| ; int val = 0; |
| ; if (a && b) val++; |
| ; |
| ; // Operand with side effects |
| ; if (fn() && fn()) val++; |
| ; |
| ; if (a && fn()) |
| ; val++; |
| ; |
| ; if (fn() && b) |
| ; val++; |
| ; return val; |
| ; } |
| ; |
| ; [numthreads(1, 1, 1)] |
| ; void main() { |
| ; process(); |
| ; } |
| |
| ; CHECK: %[[#func_9:]] = OpFunction %[[#uint:]] DontInline %[[#]] |
| ; CHECK: %[[#bb43:]] = OpLabel |
| ; CHECK: OpReturnValue %[[#]] |
| ; CHECK: OpFunctionEnd |
| ; CHECK: %[[#func_10:]] = OpFunction %[[#uint:]] DontInline %[[#]] |
| ; CHECK: %[[#bb44:]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb45:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb46:]] %[[#bb45:]] |
| ; CHECK: %[[#bb46:]] = OpLabel |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb47:]] %[[#bb45:]] |
| ; CHECK: %[[#bb47:]] = OpLabel |
| ; CHECK: OpBranch %[[#bb45:]] |
| ; CHECK: %[[#bb45:]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb48:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb49:]] %[[#bb48:]] |
| ; CHECK: %[[#bb49:]] = OpLabel |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb50:]] %[[#bb48:]] |
| ; CHECK: %[[#bb50:]] = OpLabel |
| ; CHECK: OpBranch %[[#bb48:]] |
| ; CHECK: %[[#bb48:]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb51:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb52:]] %[[#bb51:]] |
| ; CHECK: %[[#bb52:]] = OpLabel |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb53:]] %[[#bb51:]] |
| ; CHECK: %[[#bb53:]] = OpLabel |
| ; CHECK: OpBranch %[[#bb51:]] |
| ; CHECK: %[[#bb51:]] = OpLabel |
| ; CHECK: OpSelectionMerge %[[#bb54:]] None |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb55:]] %[[#bb54:]] |
| ; CHECK: %[[#bb55:]] = OpLabel |
| ; CHECK: OpBranchConditional %[[#]] %[[#bb56:]] %[[#bb54:]] |
| ; CHECK: %[[#bb56:]] = OpLabel |
| ; CHECK: OpBranch %[[#bb54:]] |
| ; CHECK: %[[#bb54:]] = OpLabel |
| ; CHECK: OpReturnValue %[[#]] |
| ; CHECK: OpFunctionEnd |
| ; CHECK: %[[#func_39:]] = OpFunction %[[#void:]] DontInline %[[#]] |
| ; CHECK: %[[#bb57:]] = OpLabel |
| ; CHECK: OpReturn |
| ; CHECK: OpFunctionEnd |
| ; CHECK: %[[#func_41:]] = OpFunction %[[#void:]] None %[[#]] |
| ; CHECK: %[[#bb58:]] = 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 @_Z2fnv() #0 { |
| entry: |
| %0 = call token @llvm.experimental.convergence.entry() |
| ret i32 1 |
| } |
| |
| ; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) |
| declare token @llvm.experimental.convergence.entry() #1 |
| |
| ; Function Attrs: convergent noinline norecurse nounwind optnone |
| define spir_func noundef i32 @_Z7processv() #0 { |
| entry: |
| %0 = call token @llvm.experimental.convergence.entry() |
| %a = alloca i32, align 4 |
| %b = alloca i32, align 4 |
| %val = alloca i32, align 4 |
| store i32 0, ptr %a, align 4 |
| store i32 0, ptr %b, align 4 |
| store i32 0, ptr %val, align 4 |
| %1 = load i32, ptr %a, align 4 |
| %tobool = icmp ne i32 %1, 0 |
| br i1 %tobool, label %land.lhs.true, label %if.end |
| |
| land.lhs.true: ; preds = %entry |
| %2 = load i32, ptr %b, align 4 |
| %tobool1 = icmp ne i32 %2, 0 |
| br i1 %tobool1, label %if.then, label %if.end |
| |
| if.then: ; preds = %land.lhs.true |
| %3 = load i32, ptr %val, align 4 |
| %inc = add nsw i32 %3, 1 |
| store i32 %inc, ptr %val, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %land.lhs.true, %entry |
| %call2 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ] |
| %tobool3 = icmp ne i32 %call2, 0 |
| br i1 %tobool3, label %land.lhs.true4, label %if.end9 |
| |
| land.lhs.true4: ; preds = %if.end |
| %call5 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ] |
| %tobool6 = icmp ne i32 %call5, 0 |
| br i1 %tobool6, label %if.then7, label %if.end9 |
| |
| if.then7: ; preds = %land.lhs.true4 |
| %4 = load i32, ptr %val, align 4 |
| %inc8 = add nsw i32 %4, 1 |
| store i32 %inc8, ptr %val, align 4 |
| br label %if.end9 |
| |
| if.end9: ; preds = %if.then7, %land.lhs.true4, %if.end |
| %5 = load i32, ptr %a, align 4 |
| %tobool10 = icmp ne i32 %5, 0 |
| br i1 %tobool10, label %land.lhs.true11, label %if.end16 |
| |
| land.lhs.true11: ; preds = %if.end9 |
| %call12 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ] |
| %tobool13 = icmp ne i32 %call12, 0 |
| br i1 %tobool13, label %if.then14, label %if.end16 |
| |
| if.then14: ; preds = %land.lhs.true11 |
| %6 = load i32, ptr %val, align 4 |
| %inc15 = add nsw i32 %6, 1 |
| store i32 %inc15, ptr %val, align 4 |
| br label %if.end16 |
| |
| if.end16: ; preds = %if.then14, %land.lhs.true11, %if.end9 |
| %call17 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ] |
| %tobool18 = icmp ne i32 %call17, 0 |
| br i1 %tobool18, label %land.lhs.true19, label %if.end23 |
| |
| land.lhs.true19: ; preds = %if.end16 |
| %7 = load i32, ptr %b, align 4 |
| %tobool20 = icmp ne i32 %7, 0 |
| br i1 %tobool20, label %if.then21, label %if.end23 |
| |
| if.then21: ; preds = %land.lhs.true19 |
| %8 = load i32, ptr %val, align 4 |
| %inc22 = add nsw i32 %8, 1 |
| store i32 %inc22, ptr %val, align 4 |
| br label %if.end23 |
| |
| if.end23: ; preds = %if.then21, %land.lhs.true19, %if.end16 |
| %9 = load i32, ptr %val, align 4 |
| ret i32 %9 |
| } |
| |
| ; 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} |
| |
| |
