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 --match-full-lines 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 8define spir_func noundef i32 @_Z3foov() #0 { 9; CHECK: %[[#foo:]] = OpLabel 10entry: 11 %0 = call token @llvm.experimental.convergence.entry() 12 ret i32 1 13} 14 15 16define internal spir_func void @main() #2 { 17; CHECK: %[[#entry:]] = OpLabel 18; CHECK: OpBranch %[[#do1_header:]] 19entry: 20 %0 = call token @llvm.experimental.convergence.entry() 21 %var = alloca i32, align 4 22 br label %do1_header 23 24; CHECK: %[[#do1_header]] = OpLabel 25; CHECK: OpLoopMerge %[[#do1_merge:]] %[[#do1_continue:]] None 26; CHECK: OpBranch %[[#do1_cond:]] 27 28; CHECK: %[[#do1_cond]] = OpLabel 29; CHECK: OpBranchConditional %[[#]] %[[#do1_continue]] %[[#do1_merge]] 30do1_header: 31 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 32 store i32 0, ptr %var 33 br label %do1_continue 34 35; CHECK: %[[#do1_merge]] = OpLabel 36; CHECK: OpBranch %[[#do2_header:]] 37do1_merge: 38 store i32 0, ptr %var 39 br label %do2_header 40 41; CHECK: %[[#do2_header]] = OpLabel 42; CHECK: OpLoopMerge %[[#do2_merge:]] %[[#do2_continue:]] None 43; CHECK: OpBranch %[[#do2_cond:]] 44do2_header: 45 %4 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 46 store i32 0, ptr %var 47 br label %do2_continue 48 49; CHECK: %[[#do2_cond]] = OpLabel 50; CHECK: OpBranchConditional %[[#]] %[[#do2_continue]] %[[#do2_merge]] 51 52; CHECK: %[[#do2_merge]] = OpLabel 53; CHECK: OpBranch %[[#do3_header:]] 54do2_merge: 55 store i32 0, ptr %var 56 br label %do3_header 57 58; CHECK: %[[#do3_header]] = OpLabel 59; CHECK: OpLoopMerge %[[#do3_merge:]] %[[#do3_continue:]] None 60; CHECK: OpBranch %[[#do3_cond:]] 61do3_header: 62 %5 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 63 store i32 0, ptr %var 64 br label %do3_continue 65 66; CHECK: %[[#do3_cond]] = OpLabel 67; CHECK: OpBranchConditional %[[#]] %[[#do3_continue]] %[[#do3_merge]] 68 69; CHECK: %[[#do3_merge]] = OpLabel 70; CHECK: OpReturn 71do3_merge: 72 ret void 73 74; CHECK: %[[#do3_continue]] = OpLabel 75; CHECK: OpBranch %[[#do3_header]] 76do3_continue: 77 store i32 0, ptr %var 78 br i1 true, label %do3_header, label %do3_merge 79 80; CHECK: %[[#do2_continue]] = OpLabel 81; CHECK: OpBranch %[[#do2_header]] 82do2_continue: 83 store i32 0, ptr %var 84 br i1 true, label %do2_header, label %do2_merge 85 86; CHECK: %[[#do1_continue]] = OpLabel 87; CHECK: OpBranch %[[#do1_header]] 88do1_continue: 89 store i32 0, ptr %var 90 br i1 true, label %do1_header, label %do1_merge 91} 92 93 94declare token @llvm.experimental.convergence.entry() #1 95declare token @llvm.experimental.convergence.loop() #1 96 97attributes #0 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 98attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } 99attributes #2 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 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