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1; RUN: %if spirv-tools %{ llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | spirv-as --preserve-numeric-ids - -o - | spirv-val %}2;3; Source HLSL:4;5; int process() {6; int val=0, i=0, j=0, k=0;7;8; do {9; val = val + i;10;11; do {12; do {13; ++k;14; } while (k < 30);15;16; ++j;17; } while (j < 20);18;19; ++i;20;21; } while (i < 10);22;23; return val + i + j + k;24; }25;26; [numthreads(1, 1, 1)]27; void main() {28; process();29; }30 31target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1"32target triple = "spirv-unknown-vulkan1.3-compute"33 34; Function Attrs: convergent noinline nounwind optnone35define spir_func noundef i32 @_Z7processv() #0 {36entry:37 %0 = call token @llvm.experimental.convergence.entry()38 %val = alloca i32, align 439 %i = alloca i32, align 440 %j = alloca i32, align 441 %k = alloca i32, align 442 store i32 0, ptr %val, align 443 store i32 0, ptr %i, align 444 store i32 0, ptr %j, align 445 store i32 0, ptr %k, align 446 br label %do.body47 48do.body: ; preds = %do.cond8, %entry49 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]50 %2 = load i32, ptr %val, align 451 %3 = load i32, ptr %i, align 452 %add = add nsw i32 %2, %353 store i32 %add, ptr %val, align 454 br label %do.body155 56do.body1: ; preds = %do.cond4, %do.body57 %4 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %1) ]58 br label %do.body259 60do.body2: ; preds = %do.cond, %do.body161 %5 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %4) ]62 %6 = load i32, ptr %k, align 463 %inc = add nsw i32 %6, 164 store i32 %inc, ptr %k, align 465 br label %do.cond66 67do.cond: ; preds = %do.body268 %7 = load i32, ptr %k, align 469 %cmp = icmp slt i32 %7, 3070 br i1 %cmp, label %do.body2, label %do.end71 72do.end: ; preds = %do.cond73 %8 = load i32, ptr %j, align 474 %inc3 = add nsw i32 %8, 175 store i32 %inc3, ptr %j, align 476 br label %do.cond477 78do.cond4: ; preds = %do.end79 %9 = load i32, ptr %j, align 480 %cmp5 = icmp slt i32 %9, 2081 br i1 %cmp5, label %do.body1, label %do.end682 83do.end6: ; preds = %do.cond484 %10 = load i32, ptr %i, align 485 %inc7 = add nsw i32 %10, 186 store i32 %inc7, ptr %i, align 487 br label %do.cond888 89do.cond8: ; preds = %do.end690 %11 = load i32, ptr %i, align 491 %cmp9 = icmp slt i32 %11, 1092 br i1 %cmp9, label %do.body, label %do.end1093 94do.end10: ; preds = %do.cond895 %12 = load i32, ptr %val, align 496 %13 = load i32, ptr %i, align 497 %add11 = add nsw i32 %12, %1398 %14 = load i32, ptr %j, align 499 %add12 = add nsw i32 %add11, %14100 %15 = load i32, ptr %k, align 4101 %add13 = add nsw i32 %add12, %15102 ret i32 %add13103}104 105; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)106declare token @llvm.experimental.convergence.entry() #1107 108; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)109declare token @llvm.experimental.convergence.loop() #1110 111; Function Attrs: convergent noinline norecurse nounwind optnone112define internal spir_func void @main() #2 {113entry:114 %0 = call token @llvm.experimental.convergence.entry()115 %call1 = call spir_func noundef i32 @_Z7processv() #4 [ "convergencectrl"(token %0) ]116 ret void117}118 119; Function Attrs: convergent norecurse120define void @main.1() #3 {121entry:122 call void @main()123 ret void124}125 126attributes #0 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }127attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }128attributes #2 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }129attributes #3 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }130attributes #4 = { convergent }131 132!llvm.module.flags = !{!0, !1, !2}133 134!0 = !{i32 1, !"wchar_size", i32 4}135!1 = !{i32 4, !"dx.disable_optimizations", i32 1}136!2 = !{i32 7, !"frame-pointer", i32 2}137 138