; 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 %}
; RUN: llc -mtriple=spirv-unknown-vulkan-compute -O0 %s -o - | spirv-sim --function=_Z7processv --wave=1 --expects=1
;
; int fn() { return true; }
;
; int process() {
; // Use in control flow
; int a = 0;
; int b = 0;
; int val = 0;
; if (a && b) val++;
;
; // Operand with side effects
; if (fn() && fn()) val++;
;
; if (a && fn())
; val++;
;
; if (fn() && b)
; val++;
; return val;
; }
;
; [numthreads(1, 1, 1)]
; void main() {
; process();
; }
; CHECK: %[[#func_9:]] = OpFunction %[[#uint:]] DontInline %[[#]]
; CHECK: %[[#bb43:]] = OpLabel
; CHECK: OpReturnValue %[[#]]
; CHECK: OpFunctionEnd
; CHECK: %[[#func_10:]] = OpFunction %[[#uint:]] DontInline %[[#]]
; CHECK: %[[#bb44:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb45:]] None
; CHECK: OpBranchConditional %[[#]] %[[#bb46:]] %[[#bb45:]]
; CHECK: %[[#bb46:]] = OpLabel
; CHECK: OpBranchConditional %[[#]] %[[#bb47:]] %[[#bb45:]]
; CHECK: %[[#bb47:]] = OpLabel
; CHECK: OpBranch %[[#bb45:]]
; CHECK: %[[#bb45:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb48:]] None
; CHECK: OpBranchConditional %[[#]] %[[#bb49:]] %[[#bb48:]]
; CHECK: %[[#bb49:]] = OpLabel
; CHECK: OpBranchConditional %[[#]] %[[#bb50:]] %[[#bb48:]]
; CHECK: %[[#bb50:]] = OpLabel
; CHECK: OpBranch %[[#bb48:]]
; CHECK: %[[#bb48:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb51:]] None
; CHECK: OpBranchConditional %[[#]] %[[#bb52:]] %[[#bb51:]]
; CHECK: %[[#bb52:]] = OpLabel
; CHECK: OpBranchConditional %[[#]] %[[#bb53:]] %[[#bb51:]]
; CHECK: %[[#bb53:]] = OpLabel
; CHECK: OpBranch %[[#bb51:]]
; CHECK: %[[#bb51:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb54:]] None
; CHECK: OpBranchConditional %[[#]] %[[#bb55:]] %[[#bb54:]]
; CHECK: %[[#bb55:]] = OpLabel
; CHECK: OpBranchConditional %[[#]] %[[#bb56:]] %[[#bb54:]]
; CHECK: %[[#bb56:]] = OpLabel
; CHECK: OpBranch %[[#bb54:]]
; CHECK: %[[#bb54:]] = OpLabel
; CHECK: OpReturnValue %[[#]]
; CHECK: OpFunctionEnd
; CHECK: %[[#func_39:]] = OpFunction %[[#void:]] DontInline %[[#]]
; CHECK: %[[#bb57:]] = OpLabel
; CHECK: OpReturn
; CHECK: OpFunctionEnd
; CHECK: %[[#func_41:]] = OpFunction %[[#void:]] None %[[#]]
; CHECK: %[[#bb58:]] = OpLabel
; CHECK: OpReturn
; CHECK: OpFunctionEnd
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"
; Function Attrs: convergent noinline norecurse nounwind optnone
define spir_func noundef i32 @_Z2fnv() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 1
}
; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)
declare token @llvm.experimental.convergence.entry() #1
; Function Attrs: convergent noinline norecurse nounwind optnone
define spir_func noundef i32 @_Z7processv() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
%a = alloca i32, align 4
%b = alloca i32, align 4
%val = alloca i32, align 4
store i32 0, ptr %a, align 4
store i32 0, ptr %b, align 4
store i32 0, ptr %val, align 4
%1 = load i32, ptr %a, align 4
%tobool = icmp ne i32 %1, 0
br i1 %tobool, label %land.lhs.true, label %if.end
land.lhs.true: ; preds = %entry
%2 = load i32, ptr %b, align 4
%tobool1 = icmp ne i32 %2, 0
br i1 %tobool1, label %if.then, label %if.end
if.then: ; preds = %land.lhs.true
%3 = load i32, ptr %val, align 4
%inc = add nsw i32 %3, 1
store i32 %inc, ptr %val, align 4
br label %if.end
if.end: ; preds = %if.then, %land.lhs.true, %entry
%call2 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
%tobool3 = icmp ne i32 %call2, 0
br i1 %tobool3, label %land.lhs.true4, label %if.end9
land.lhs.true4: ; preds = %if.end
%call5 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
%tobool6 = icmp ne i32 %call5, 0
br i1 %tobool6, label %if.then7, label %if.end9
if.then7: ; preds = %land.lhs.true4
%4 = load i32, ptr %val, align 4
%inc8 = add nsw i32 %4, 1
store i32 %inc8, ptr %val, align 4
br label %if.end9
if.end9: ; preds = %if.then7, %land.lhs.true4, %if.end
%5 = load i32, ptr %a, align 4
%tobool10 = icmp ne i32 %5, 0
br i1 %tobool10, label %land.lhs.true11, label %if.end16
land.lhs.true11: ; preds = %if.end9
%call12 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
%tobool13 = icmp ne i32 %call12, 0
br i1 %tobool13, label %if.then14, label %if.end16
if.then14: ; preds = %land.lhs.true11
%6 = load i32, ptr %val, align 4
%inc15 = add nsw i32 %6, 1
store i32 %inc15, ptr %val, align 4
br label %if.end16
if.end16: ; preds = %if.then14, %land.lhs.true11, %if.end9
%call17 = call spir_func noundef i32 @_Z2fnv() #3 [ "convergencectrl"(token %0) ]
%tobool18 = icmp ne i32 %call17, 0
br i1 %tobool18, label %land.lhs.true19, label %if.end23
land.lhs.true19: ; preds = %if.end16
%7 = load i32, ptr %b, align 4
%tobool20 = icmp ne i32 %7, 0
br i1 %tobool20, label %if.then21, label %if.end23
if.then21: ; preds = %land.lhs.true19
%8 = load i32, ptr %val, align 4
%inc22 = add nsw i32 %8, 1
store i32 %inc22, ptr %val, align 4
br label %if.end23
if.end23: ; preds = %if.then21, %land.lhs.true19, %if.end16
%9 = load i32, ptr %val, align 4
ret i32 %9
}
; Function Attrs: convergent noinline norecurse nounwind optnone
define internal spir_func void @main() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
%call1 = call spir_func noundef i32 @_Z7processv() #3 [ "convergencectrl"(token %0) ]
ret void
}
; Function Attrs: convergent norecurse
define void @main.1() #2 {
entry:
call void @main()
ret void
}
attributes #0 = { convergent noinline norecurse 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 norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
attributes #3 = { 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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