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1; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s2; 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-vulkan-compute"6 7; Function Attrs: convergent noinline nounwind optnone8define spir_func noundef i32 @fn() #4 {9entry:10 %0 = call token @llvm.experimental.convergence.entry()11 ret i32 112}13 14; Function Attrs: convergent noinline nounwind optnone15define spir_func noundef i32 @fn1() #4 {16entry:17 %0 = call token @llvm.experimental.convergence.entry()18 ret i32 019}20 21; Function Attrs: convergent noinline nounwind optnone22define spir_func noundef i32 @fn2() #4 {23entry:24 %0 = call token @llvm.experimental.convergence.entry()25 ret i32 126}27 28 29; CHECK-DAG: OpName %[[#reg_0:]] "cond.reg2mem"30; CHECK-DAG: OpName %[[#reg_1:]] "cond9.reg2mem"31 32define internal spir_func void @main() #0 {33; CHECK: OpSelectionMerge %[[#cond1_merge:]] None34; CHECK: OpBranchConditional %[[#]] %[[#cond1_true:]] %[[#cond1_false:]]35entry:36 %0 = call token @llvm.experimental.convergence.entry()37 %a = alloca i32, align 438 %b = alloca i32, align 439 br i1 true, label %cond1_true, label %cond1_false40 41; CHECK: %[[#cond1_false]] = OpLabel42; CHECK: OpStore %[[#reg_0]] %[[#]]43; CHECK: OpBranch %[[#cond1_merge]]44cond1_false:45 %2 = load i32, ptr %b, align 446 br label %cond1_merge47 48; CHECK: %[[#cond1_true]] = OpLabel49; CHECK: OpStore %[[#reg_0]] %[[#]]50; CHECK: OpBranch %[[#cond1_merge]]51cond1_true:52 %3 = load i32, ptr %a, align 453 br label %cond1_merge54 55; CHECK: %[[#cond1_merge]] = OpLabel56; CHECK: %[[#tmp:]] = OpLoad %[[#]] %[[#reg_0]]57; CHECK: %[[#cond:]] = OpINotEqual %[[#]] %[[#tmp]] %[[#]]58; CHECK: OpSelectionMerge %[[#cond2_merge:]] None59; CHECK: OpBranchConditional %[[#cond]] %[[#cond2_true:]] %[[#cond2_merge]]60cond1_merge:61 %cond = phi i32 [ %3, %cond1_true ], [ %2, %cond1_false ]62 %tobool1 = icmp ne i32 %cond, 063 br i1 %tobool1, label %cond2_true, label %cond2_merge64 65; CHECK: %[[#cond2_true]] = OpLabel66; CHECK: OpBranch %[[#cond2_merge]]67cond2_true:68 store i32 0, ptr %a69 br label %cond2_merge70 71; CHECK: %[[#cond2_merge]] = OpLabel72; CHECK: OpFunctionCall73; CHECK: OpSelectionMerge %[[#cond3_merge:]] None74; CHECK: OpBranchConditional %[[#]] %[[#cond3_true:]] %[[#cond3_false:]]75cond2_merge:76 %call2 = call spir_func noundef i32 @fn() #4 [ "convergencectrl"(token %0) ]77 br i1 true, label %cond3_true, label %cond3_false78 79; CHECK: %[[#cond3_false]] = OpLabel80; CHECK: OpFunctionCall81; CHECK: OpStore %[[#reg_1]] %[[#]]82; CHECK: OpBranch %[[#cond3_merge]]83cond3_false:84 %call7 = call spir_func noundef i32 @fn2() #4 [ "convergencectrl"(token %0) ]85 br label %cond3_merge86 87; CHECK: %[[#cond3_true]] = OpLabel88; CHECK: OpFunctionCall89; CHECK: OpStore %[[#reg_1]] %[[#]]90; CHECK: OpBranch %[[#cond3_merge]]91cond3_true:92 %call5 = call spir_func noundef i32 @fn1() #4 [ "convergencectrl"(token %0) ]93 br label %cond3_merge94 95; CHECK: %[[#cond3_merge]] = OpLabel96; CHECK: %[[#tmp:]] = OpLoad %[[#]] %[[#reg_1]]97; CHECK: %[[#cond:]] = OpINotEqual %[[#]] %[[#tmp]] %[[#]]98; CHECK: OpSelectionMerge %[[#cond4_merge:]] None99; CHECK: OpBranchConditional %[[#cond]] %[[#cond4_true:]] %[[#cond4_merge]]100cond3_merge:101 %cond9 = phi i32 [ %call5, %cond3_true ], [ %call7, %cond3_false ]102 %tobool10 = icmp ne i32 %cond9, 0103 br i1 %tobool10, label %cond4_true, label %cond4_merge104 105; CHECK: %[[#cond4_true]] = OpLabel106; CHECK: OpBranch %[[#cond4_merge]]107cond4_true:108 store i32 0, ptr %a109 br label %cond4_merge110 111; CHECK: %[[#cond4_merge]] = OpLabel112; CHECK: OpReturn113cond4_merge:114 ret void115}116 117declare token @llvm.experimental.convergence.entry() #2118 119attributes #0 = { convergent noinline norecurse nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }120attributes #1 = { convergent norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }121attributes #2 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }122attributes #3 = { convergent }123attributes #4 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }124 125!llvm.module.flags = !{!0, !1}126 127!0 = !{i32 1, !"wchar_size", i32 4}128!1 = !{i32 4, !"dx.disable_optimizations", i32 1}129