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|
; 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 %}
;
; int foo() { return 200; }
;
; [numthreads(1, 1, 1)]
; void main() {
; int result;
;
; int a = 0;
; switch(a) {
; case -3:
; result = -300;
; break;
; case 0:
; result = 0;
; break;
; case 1:
; result = 100;
; break;
; case 2:
; result = foo();
; break;
; default:
; result = 777;
; break;
; }
;
; switch(int c = a) {
; case -4:
; result = -400;
; break;
; case 4:
; result = 400;
; break;
; }
; }
; CHECK: %[[#func_14:]] = OpFunction %[[#uint:]] DontInline %[[#]]
; CHECK: %[[#bb25:]] = OpLabel
; CHECK: OpReturnValue %[[#]]
; CHECK: OpFunctionEnd
; CHECK: %[[#func_15:]] = OpFunction %[[#void:]] DontInline %[[#]]
; CHECK: %[[#bb26:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb27:]] None
; CHECK: OpSwitch %[[#]] %[[#bb28:]] 4294967293 %[[#bb29:]] 0 %[[#bb30:]] 1 %[[#bb31:]] 2 %[[#bb32:]]
; CHECK: %[[#bb28:]] = OpLabel
; CHECK: OpBranch %[[#bb27:]]
; CHECK: %[[#bb29:]] = OpLabel
; CHECK: OpBranch %[[#bb27:]]
; CHECK: %[[#bb30:]] = OpLabel
; CHECK: OpBranch %[[#bb27:]]
; CHECK: %[[#bb31:]] = OpLabel
; CHECK: OpBranch %[[#bb27:]]
; CHECK: %[[#bb32:]] = OpLabel
; CHECK: OpBranch %[[#bb27:]]
; CHECK: %[[#bb27:]] = OpLabel
; CHECK: OpSelectionMerge %[[#bb33:]] None
; CHECK: OpSwitch %[[#]] %[[#bb33:]] 4294967292 %[[#bb34:]] 4 %[[#bb35:]]
; CHECK: %[[#bb34:]] = OpLabel
; CHECK: OpBranch %[[#bb33:]]
; CHECK: %[[#bb35:]] = OpLabel
; CHECK: OpBranch %[[#bb33:]]
; CHECK: %[[#bb33:]] = OpLabel
; CHECK: OpReturn
; CHECK: OpFunctionEnd
; CHECK: %[[#func_23:]] = OpFunction %[[#void:]] None %[[#]]
; CHECK: %[[#bb36:]] = 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 @_Z3foov() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
ret i32 200
}
; 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 internal spir_func void @main() #0 {
entry:
%0 = call token @llvm.experimental.convergence.entry()
%result = alloca i32, align 4
%a = alloca i32, align 4
%c = alloca i32, align 4
store i32 0, ptr %a, align 4
%1 = load i32, ptr %a, align 4
switch i32 %1, label %sw.default [
i32 -3, label %sw.bb
i32 0, label %sw.bb1
i32 1, label %sw.bb2
i32 2, label %sw.bb3
]
sw.bb: ; preds = %entry
store i32 -300, ptr %result, align 4
br label %sw.epilog
sw.bb1: ; preds = %entry
store i32 0, ptr %result, align 4
br label %sw.epilog
sw.bb2: ; preds = %entry
store i32 100, ptr %result, align 4
br label %sw.epilog
sw.bb3: ; preds = %entry
%call4 = call spir_func noundef i32 @_Z3foov() #3 [ "convergencectrl"(token %0) ]
store i32 %call4, ptr %result, align 4
br label %sw.epilog
sw.default: ; preds = %entry
store i32 777, ptr %result, align 4
br label %sw.epilog
sw.epilog: ; preds = %sw.default, %sw.bb3, %sw.bb2, %sw.bb1, %sw.bb
%2 = load i32, ptr %a, align 4
store i32 %2, ptr %c, align 4
%3 = load i32, ptr %c, align 4
switch i32 %3, label %sw.epilog7 [
i32 -4, label %sw.bb5
i32 4, label %sw.bb6
]
sw.bb5: ; preds = %sw.epilog
store i32 -400, ptr %result, align 4
br label %sw.epilog7
sw.bb6: ; preds = %sw.epilog
store i32 400, ptr %result, align 4
br label %sw.epilog7
sw.epilog7: ; preds = %sw.epilog, %sw.bb6, %sw.bb5
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}
|
