1; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %} 2; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s 3 4target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1" 5target triple = "spirv-unknown-vulkan1.3-compute" 6 7; CHECK-DAG: OpName %[[#process:]] "_Z7processv" 8; CHECK-DAG: OpName %[[#val:]] "val" 9; CHECK-DAG: OpName %[[#i:]] "i" 10 11; CHECK-DAG: %[[#int_ty:]] = OpTypeInt 32 0 12; CHECK-DAG: %[[#int_pfty:]] = OpTypePointer Function %[[#int_ty]] 13; CHECK-DAG: %[[#false:]] = OpConstantFalse 14 15 16; CHECK: %[[#process]] = OpFunction %[[#]] DontInline %[[#]] 17define spir_func noundef i32 @_Z7processv() #0 { 18entry: 19 %0 = call token @llvm.experimental.convergence.entry() 20 21 ; CHECK-DAG: %[[#val]] = OpVariable %[[#int_pfty]] Function 22 ; CHECK-DAG: %[[#i]] = OpVariable %[[#int_pfty]] Function 23 %val = alloca i32, align 4 24 %i = alloca i32, align 4 25 store i32 0, ptr %val, align 4 26 store i32 0, ptr %i, align 4 27 br label %for.cond 28 ; CHECK: OpBranch %[[#for_cond:]] 29 30for.cond: ; preds = %for.inc, %entry 31 ; CHECK: %[[#for_cond]] = OpLabel 32 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 33 %2 = load i32, ptr %i, align 4 34 %cmp = icmp slt i32 %2, 10 35 36 ; CHECK: OpLoopMerge %[[#for_end:]] %[[#for_inc:]] 37 ; CHECK: OpBranchConditional %[[#]] %[[#for_body:]] %[[#for_end]] 38 br i1 %cmp, label %for.body, label %for.end 39 40for.end: ; preds = %for.cond 41 br label %for.cond1 42 ; CHECK: %[[#for_end]] = OpLabel 43 ; CHECK: OpBranch %[[#for_cond1:]] 44 45for.cond1: ; preds = %for.cond1, %for.end 46 %3 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 47 store i32 0, ptr %val, align 4 48 br label %for.cond1 49 ; CHECK: %[[#for_cond1]] = OpLabel 50 ; CHECK: OpLoopMerge %[[#unreachable:]] %[[#for_cond1]] 51 ; CHECK: OpBranchConditional %[[#false]] %[[#unreachable]] %[[#for_cond1]] 52 53 ; CHECK: %[[#unreachable]] = OpLabel 54 ; CHECK-NEXT: OpUnreachable 55 56for.body: ; preds = %for.cond 57 %4 = load i32, ptr %i, align 4 58 store i32 %4, ptr %val, align 4 59 br label %for.inc 60 ; CHECK: %[[#for_body]] = OpLabel 61 ; CHECK: OpBranch %[[#for_inc]] 62 63for.inc: ; preds = %for.body 64 %5 = load i32, ptr %i, align 4 65 %inc = add nsw i32 %5, 1 66 store i32 %inc, ptr %i, align 4 67 br label %for.cond 68 ; CHECK: %[[#for_inc]] = OpLabel 69 ; CHECK: OpBranch %[[#for_cond]] 70 71 72} 73 74; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) 75declare token @llvm.experimental.convergence.entry() #1 76 77; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) 78declare token @llvm.experimental.convergence.loop() #1 79 80; Function Attrs: convergent noinline norecurse nounwind optnone 81define internal spir_func void @main() #2 { 82entry: 83 %0 = call token @llvm.experimental.convergence.entry() 84 %call1 = call spir_func noundef i32 @_Z7processv() #4 [ "convergencectrl"(token %0) ] 85 ret void 86} 87 88; Function Attrs: convergent norecurse 89define void @main.1() #3 { 90entry: 91 call void @main() 92 ret void 93} 94 95attributes #0 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 96attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } 97attributes #2 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 98attributes #3 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 99attributes #4 = { convergent } 100 101!llvm.module.flags = !{!0, !1, !2} 102 103!0 = !{i32 1, !"wchar_size", i32 4} 104!1 = !{i32 4, !"dx.disable_optimizations", i32 1} 105!2 = !{i32 7, !"frame-pointer", i32 2} 106