1; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s --match-full-lines 2; 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 7define internal spir_func void @main() #0 { 8 9; CHECK-DAG: OpName %[[#idx:]] "idx" 10; CHECK-DAG: OpDecorate %[[#builtin:]] BuiltIn SubgroupLocalInvocationId 11; CHECK-DAG: %[[#int_ty:]] = OpTypeInt 32 0 12; CHECK-DAG: %[[#bool_ty:]] = OpTypeBool 13; CHECK-DAG: %[[#int_0:]] = OpConstant %[[#int_ty]] 0 14; CHECK-DAG: %[[#int_10:]] = OpConstant %[[#int_ty]] 10 15 16; CHECK: %[[#entry:]] = OpLabel 17; CHECK: %[[#idx]] = OpVariable %[[#]] Function 18; CHECK: OpStore %[[#idx]] %[[#int_0]] Aligned 4 19; CHECK: OpBranch %[[#while_cond:]] 20entry: 21 %0 = call token @llvm.experimental.convergence.entry() 22 %idx = alloca i32, align 4 23 store i32 0, ptr %idx, align 4 24 br label %while.cond 25 26; CHECK: %[[#while_cond]] = OpLabel 27; CHECK: %[[#tmp:]] = OpLoad %[[#int_ty]] %[[#idx]] Aligned 4 28; CHECK: %[[#cmp:]] = OpINotEqual %[[#bool_ty]] %[[#tmp]] %[[#int_10]] 29; CHECK: OpLoopMerge %[[#new_end:]] %[[#if_end:]] None 30; CHECK: OpBranchConditional %[[#cmp]] %[[#while_body:]] %[[#new_end]] 31while.cond: 32 %1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ] 33 %2 = load i32, ptr %idx, align 4 34 %cmp = icmp ne i32 %2, 10 35 br i1 %cmp, label %while.body, label %while.end 36 37; CHECK: %[[#while_body]] = OpLabel 38; CHECK-NEXT: %[[#tmp:]] = OpLoad %[[#int_ty]] %[[#builtin]] Aligned 1 39; CHECK-NEXT: OpStore %[[#idx]] %[[#tmp]] Aligned 4 40; CHECK-NEXT: %[[#tmp:]] = OpLoad %[[#int_ty]] %[[#idx]] Aligned 4 41; CHECK-NEXT: %[[#cmp1:]] = OpIEqual %[[#bool_ty]] %[[#tmp]] %[[#int_0]] 42; CHECK: OpBranchConditional %[[#cmp1]] %[[#if_then:]] %[[#if_end]] 43while.body: 44 %3 = call i32 @__hlsl_wave_get_lane_index() [ "convergencectrl"(token %1) ] 45 store i32 %3, ptr %idx, align 4 46 %4 = load i32, ptr %idx, align 4 47 %cmp1 = icmp eq i32 %4, 0 48 br i1 %cmp1, label %if.then, label %if.end 49 50; CHECK: %[[#if_end]] = OpLabel 51; CHECK: OpBranch %[[#while_cond]] 52 53; CHECK: %[[#if_then]] = OpLabel 54; CHECK: %[[#tmp:]] = OpLoad %[[#int_ty]] %[[#builtin]] Aligned 1 55; CHECK: OpStore %[[#idx]] %[[#tmp]] Aligned 4 56; CHECK: OpBranch %[[#new_end]] 57if.then: 58 %5 = call i32 @__hlsl_wave_get_lane_index() [ "convergencectrl"(token %1) ] 59 store i32 %5, ptr %idx, align 4 60 br label %while.end 61 62if.end: 63 br label %while.cond 64 65; CHECK: %[[#new_end]] = OpLabel 66; CHECK: OpBranch %[[#while_end:]] 67 68; CHECK: %[[#while_end]] = OpLabel 69; CHECK: OpReturn 70while.end: 71 ret void 72 73 74 75} 76 77declare token @llvm.experimental.convergence.entry() #2 78declare token @llvm.experimental.convergence.loop() #2 79declare i32 @__hlsl_wave_get_lane_index() #3 80 81attributes #0 = { convergent noinline norecurse nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 82attributes #1 = { convergent norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 83attributes #2 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } 84attributes #3 = { convergent } 85 86!llvm.module.flags = !{!0, !1} 87 88!0 = !{i32 1, !"wchar_size", i32 4} 89!1 = !{i32 4, !"dx.disable_optimizations", i32 1} 90 91