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1; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s --match-full-lines2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}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 7define internal spir_func void @main() #0 {8; CHECK: %[[#entry:]] = OpLabel9entry:10 %0 = call token @llvm.experimental.convergence.entry()11 %var = alloca i32, align 412 br label %do1_header13 14; CHECK: %[[#do1_header:]] = OpLabel15; CHECK: OpLoopMerge %[[#do1_merge:]] %[[#do1_continue:]] None16; CHECK: OpBranch %[[#do2_header:]]17do1_header:18 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]19 store i32 0, ptr %var20 br label %do2_header21 22; CHECK: %[[#do2_header:]] = OpLabel23; CHECK: OpLoopMerge %[[#do2_merge:]] %[[#do2_continue:]] None24; CHECK: OpBranch %[[#do3_header:]]25do2_header:26 %4 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %1) ]27 store i32 0, ptr %var28 br label %do3_header29 30; CHECK: %[[#do3_header:]] = OpLabel31; CHECK: OpLoopMerge %[[#do3_merge:]] %[[#do3_continue:]] None32; CHECK: OpBranch %[[#do3_cond:]]33do3_header:34 %5 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %4) ]35 store i32 0, ptr %var36 br label %do3_continue37 38; CHECK: %[[#do3_cond]] = OpLabel39; CHECK: OpBranchConditional %[[#]] %[[#do3_continue]] %[[#do3_merge]]40 41; CHECK: %[[#do3_merge]] = OpLabel42; CHECK: OpBranch %[[#do2_cond:]]43do3_merge:44 store i32 0, ptr %var45 br label %do2_continue46 47; CHECK: %[[#do2_cond]] = OpLabel48; CHECK: OpBranchConditional %[[#]] %[[#do2_continue]] %[[#do2_merge]]49 50; CHECK: %[[#do2_merge]] = OpLabel51; CHECK: OpBranch %[[#do1_cond:]]52 53; CHECK: %[[#do1_cond]] = OpLabel54; CHECK: OpBranchConditional %[[#]] %[[#do1_continue]] %[[#do1_merge]]55do2_merge:56 store i32 0, ptr %var57 br label %do1_continue58 59; CHECK: %[[#do1_merge]] = OpLabel60; CHECK: OpReturn61do1_merge:62 ret void63 64; CHECK: %[[#do1_continue]] = OpLabel65; CHECK: OpBranch %[[#do1_header]]66do1_continue:67 store i32 0, ptr %var68 br i1 true, label %do1_header, label %do1_merge69 70; CHECK: %[[#do2_continue]] = OpLabel71; CHECK: OpBranch %[[#do2_header]]72do2_continue:73 store i32 0, ptr %var74 br i1 true, label %do2_header, label %do2_merge75 76; CHECK: %[[#do3_continue]] = OpLabel77; CHECK: OpBranch %[[#do3_header]]78do3_continue:79 store i32 0, ptr %var80 br i1 true, label %do3_header, label %do3_merge81}82 83declare token @llvm.experimental.convergence.entry() #184declare token @llvm.experimental.convergence.loop() #185 86attributes #0 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }87attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }88 89!llvm.module.flags = !{!0, !1, !2}90 91!0 = !{i32 1, !"wchar_size", i32 4}92!1 = !{i32 4, !"dx.disable_optimizations", i32 1}93!2 = !{i32 7, !"frame-pointer", i32 2}94