; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}
target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1"
target triple = "spirv-unknown-vulkan1.3-compute"
; CHECK-DAG: OpName %[[#process:]] "_Z7processv"
; CHECK-DAG: OpName %[[#fn:]] "_Z2fnv"
; CHECK-DAG: OpName %[[#fn1:]] "_Z3fn1v"
; CHECK-DAG: OpName %[[#fn2:]] "_Z3fn2v"
; CHECK-DAG: OpName %[[#val:]] "val"
; CHECK-DAG: OpName %[[#a:]] "a"
; CHECK-DAG: OpName %[[#b:]] "b"
; CHECK-DAG: OpName %[[#c:]] "c"
; CHECK-DAG: %[[#int_ty:]] = OpTypeInt 32 0
; CHECK-DAG: %[[#bool_ty:]] = OpTypeBool
; CHECK-DAG: %[[#int_pfty:]] = OpTypePointer Function %[[#int_ty]]
; CHECK-DAG: %[[#int_0:]] = OpConstant %[[#int_ty]] 0
declare token @llvm.experimental.convergence.entry() #1
; CHECK: %[[#fn]] = OpFunction %[[#int_ty]]
define spir_func noundef i32 @_Z2fnv() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 1
}
; CHECK: %[[#fn1]] = OpFunction %[[#int_ty]]
define spir_func noundef i32 @_Z3fn1v() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 0
}
; CHECK: %[[#fn2]] = OpFunction %[[#int_ty]]
define spir_func noundef i32 @_Z3fn2v() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 1
}
; CHECK: %[[#process]] = OpFunction %[[#int_ty]]
define spir_func noundef i32 @_Z7processv() #0 {
entry:
; CHECK: %[[#entry:]] = OpLabel
%0 = call token @llvm.experimental.convergence.entry()
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = alloca i32, align 4
%val = alloca i32, align 4
store i32 0, ptr %a, align 4
store i32 1, ptr %b, align 4
store i32 2, ptr %c, align 4
store i32 0, ptr %val, align 4
; CHECK-DAG: %[[#a]] = OpVariable %[[#int_pfty]] Function
; CHECK-DAG: %[[#b]] = OpVariable %[[#int_pfty]] Function
; CHECK-DAG: %[[#c]] = OpVariable %[[#int_pfty]] Function
; CHECK-DAG: %[[#val]] = OpVariable %[[#int_pfty]] Function
%1 = load i32, ptr %a, align 4
%tobool = icmp ne i32 %1, 0
br i1 %tobool, label %cond.true, label %cond.false
; CHECK: %[[#tmp:]] = OpLoad %[[#int_ty]] %[[#a]]
; CHECK: %[[#cond:]] = OpINotEqual %[[#bool_ty]] %[[#tmp]] %[[#int_0]]
; CHECK: OpSelectionMerge %[[#cond_end:]]
; CHECK: OpBranchConditional %[[#cond]] %[[#cond_true:]] %[[#cond_false:]]
cond.true: ; preds = %entry
%2 = load i32, ptr %b, align 4
br label %cond.end
; CHECK: %[[#cond_true]] = OpLabel
; CHECK: OpBranch %[[#cond_end]]
cond.false: ; preds = %entry
%3 = load i32, ptr %c, align 4
br label %cond.end
; CHECK: %[[#cond_false]] = OpLabel
; CHECK: %[[#load_c:]] = OpLoad %[[#]] %[[#c]]
; CHECK: OpBranch %[[#cond_end]]
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i32 [ %2, %cond.true ], [ %3, %cond.false ]
%tobool1 = icmp ne i32 %cond, 0
br i1 %tobool1, label %if.then, label %if.end
; CHECK: %[[#cond_end]] = OpLabel
; CHECK: %[[#tmp:]] = OpPhi %[[#int_ty]] %[[#load_b:]] %[[#cond_true]] %[[#load_c]] %[[#cond_false]]
; CHECK: OpSelectionMerge %[[#if_end:]]
; CHECK: OpBranchConditional %[[#]] %[[#if_then:]] %[[#if_end]]
if.then: ; preds = %cond.end
%4 = load i32, ptr %val, align 4
%inc = add nsw i32 %4, 1
store i32 %inc, ptr %val, align 4
br label %if.end
; CHECK: %[[#if_then]] = OpLabel
; CHECK: OpBranch %[[#if_end]]
if.end: ; preds = %if.then, %cond.end
%call2 = call spir_func noundef i32 @_Z2fnv() #4 [ "convergencectrl"(token %0) ]
%tobool3 = icmp ne i32 %call2, 0
br i1 %tobool3, label %cond.true4, label %cond.false6
; CHECK: %[[#if_end]] = OpLabel
; CHECK: OpSelectionMerge %[[#cond_end8:]]
; CHECK: OpBranchConditional %[[#]] %[[#cond_true4:]] %[[#cond_false6:]]
cond.true4: ; preds = %if.end
%call5 = call spir_func noundef i32 @_Z3fn1v() #4 [ "convergencectrl"(token %0) ]
br label %cond.end8
; CHECK: %[[#cond_true4]] = OpLabel
; CHECK: OpBranch %[[#cond_end8]]
cond.false6: ; preds = %if.end
%call7 = call spir_func noundef i32 @_Z3fn2v() #4 [ "convergencectrl"(token %0) ]
br label %cond.end8
; CHECK: %[[#cond_false6]] = OpLabel
; CHECK: OpBranch %[[#cond_end8]]
cond.end8: ; preds = %cond.false6, %cond.true4
%cond9 = phi i32 [ %call5, %cond.true4 ], [ %call7, %cond.false6 ]
%tobool10 = icmp ne i32 %cond9, 0
br i1 %tobool10, label %if.then11, label %if.end13
; CHECK: %[[#cond_end8]] = OpLabel
; CHECK: OpSelectionMerge %[[#if_end13:]]
; CHECK: OpBranchConditional %[[#]] %[[#if_then11:]] %[[#if_end13]]
if.then11: ; preds = %cond.end8
%5 = load i32, ptr %val, align 4
%inc12 = add nsw i32 %5, 1
store i32 %inc12, ptr %val, align 4
br label %if.end13
; CHECK: %[[#if_then11]] = OpLabel
; CHECK: OpBranch %[[#if_end13]]
if.end13: ; preds = %if.then11, %cond.end8
%6 = load i32, ptr %val, align 4
ret i32 %6
; CHECK: %[[#if_end13]] = OpLabel
; CHECK: OpReturnValue
}
; Function Attrs: convergent noinline norecurse nounwind optnone
define internal spir_func void @main() #2 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
%call1 = call spir_func noundef i32 @_Z7processv() #4 [ "convergencectrl"(token %0) ]
ret void
}
; Function Attrs: convergent norecurse
define void @main.1() #3 {
entry:
call void @main()
ret void
}
attributes #0 = { convergent noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
attributes #2 = { convergent noinline norecurse nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #3 = { convergent norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #4 = { convergent }
!llvm.module.flags = !{!0, !1, !2}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 4, !"dx.disable_optimizations", i32 1}
!2 = !{i32 7, !"frame-pointer", i32 2}
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