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;; __kernel void test_switch(__global int* res, uchar val)
;; {
;; switch(val)
;; {
;; case 0:
;; *res = 1;
;; break;
;; case 1:
;; *res = 2;
;; break;
;; case 2:
;; *res = 3;
;; break;
;; }
;; }
; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
; CHECK-SPIRV: OpSwitch %[[#]] %[[#]] 0 %[[#]] 1 %[[#]] 2 %[[#]]
define spir_kernel void @test_switch(i32 addrspace(1)* %res, i8 zeroext %val) {
entry:
%res.addr = alloca i32 addrspace(1)*, align 4
%val.addr = alloca i8, align 1
store i32 addrspace(1)* %res, i32 addrspace(1)** %res.addr, align 4
store i8 %val, i8* %val.addr, align 1
%0 = load i8, i8* %val.addr, align 1
switch i8 %0, label %sw.epilog [
i8 0, label %sw.bb
i8 1, label %sw.bb1
i8 2, label %sw.bb2
]
sw.bb: ; preds = %entry
%1 = load i32 addrspace(1)*, i32 addrspace(1)** %res.addr, align 4
store i32 1, i32 addrspace(1)* %1, align 4
br label %sw.epilog
sw.bb1: ; preds = %entry
%2 = load i32 addrspace(1)*, i32 addrspace(1)** %res.addr, align 4
store i32 2, i32 addrspace(1)* %2, align 4
br label %sw.epilog
sw.bb2: ; preds = %entry
%3 = load i32 addrspace(1)*, i32 addrspace(1)** %res.addr, align 4
store i32 3, i32 addrspace(1)* %3, align 4
br label %sw.epilog
sw.epilog: ; preds = %entry, %sw.bb2, %sw.bb1, %sw.bb
ret void
}
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