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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-lines3 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:]] = OpLabel10entry:11 %0 = call token @llvm.experimental.convergence.entry()12 ret i32 113}14 15 16define internal spir_func void @main() #2 {17; CHECK: %[[#entry:]] = OpLabel18; CHECK: OpBranch %[[#do1_header:]]19entry:20 %0 = call token @llvm.experimental.convergence.entry()21 %var = alloca i32, align 422 br label %do1_header23 24; CHECK: %[[#do1_header]] = OpLabel25; CHECK: OpLoopMerge %[[#do1_merge:]] %[[#do1_continue:]] None26; CHECK: OpBranch %[[#do1_cond:]]27 28; CHECK: %[[#do1_cond]] = OpLabel29; CHECK: OpBranchConditional %[[#]] %[[#do1_continue]] %[[#do1_merge]]30do1_header:31 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]32 store i32 0, ptr %var33 br label %do1_continue34 35; CHECK: %[[#do1_merge]] = OpLabel36; CHECK: OpBranch %[[#do2_header:]]37do1_merge:38 store i32 0, ptr %var39 br label %do2_header40 41; CHECK: %[[#do2_header]] = OpLabel42; CHECK: OpLoopMerge %[[#do2_merge:]] %[[#do2_continue:]] None43; CHECK: OpBranch %[[#do2_cond:]]44do2_header:45 %4 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]46 store i32 0, ptr %var47 br label %do2_continue48 49; CHECK: %[[#do2_cond]] = OpLabel50; CHECK: OpBranchConditional %[[#]] %[[#do2_continue]] %[[#do2_merge]]51 52; CHECK: %[[#do2_merge]] = OpLabel53; CHECK: OpBranch %[[#do3_header:]]54do2_merge:55 store i32 0, ptr %var56 br label %do3_header57 58; CHECK: %[[#do3_header]] = OpLabel59; CHECK: OpLoopMerge %[[#do3_merge:]] %[[#do3_continue:]] None60; CHECK: OpBranch %[[#do3_cond:]]61do3_header:62 %5 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]63 store i32 0, ptr %var64 br label %do3_continue65 66; CHECK: %[[#do3_cond]] = OpLabel67; CHECK: OpBranchConditional %[[#]] %[[#do3_continue]] %[[#do3_merge]]68 69; CHECK: %[[#do3_merge]] = OpLabel70; CHECK: OpReturn71do3_merge:72 ret void73 74; CHECK: %[[#do3_continue]] = OpLabel75; CHECK: OpBranch %[[#do3_header]]76do3_continue:77 store i32 0, ptr %var78 br i1 true, label %do3_header, label %do3_merge79 80; CHECK: %[[#do2_continue]] = OpLabel81; CHECK: OpBranch %[[#do2_header]]82do2_continue:83 store i32 0, ptr %var84 br i1 true, label %do2_header, label %do2_merge85 86; CHECK: %[[#do1_continue]] = OpLabel87; CHECK: OpBranch %[[#do1_header]]88do1_continue:89 store i32 0, ptr %var90 br i1 true, label %do1_header, label %do1_merge91}92 93 94declare token @llvm.experimental.convergence.entry() #195declare token @llvm.experimental.convergence.loop() #196 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