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; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
; CHECK: OpFunction
; CHECK: OpBranchConditional %[[#]] %[[#if_then:]] %[[#if_end:]]
; CHECK: %[[#if_then]] = OpLabel
; CHECK: OpBranch %[[#if_end]]
; CHECK: %[[#if_end]] = OpLabel
; CHECK: %[[#Var:]] = OpPhi
; CHECK: OpSwitch %[[#Var]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]] [[#]] %[[#]]
; CHECK-COUNT-10: OpLabel
; CHECK: %[[#epilog:]] = OpLabel
; CHECK: OpBranch %[[#exit:]]
; CHECK: %[[#exit]] = OpLabel
; CHECK: OpReturn
; CHECK-NOT: OpLabel
; CHECK-NEXT: OpFunctionEnd
define spir_func void @foo(i64 noundef %addr, i64 noundef %as) {
entry:
%src = inttoptr i64 %as to ptr addrspace(4)
%val = load i8, ptr addrspace(4) %src
%cmp = icmp sgt i8 %val, 0
br i1 %cmp, label %if.then, label %if.end
if.then:
%add.ptr = getelementptr inbounds i8, ptr addrspace(4) %src, i64 1
%cond = load i8, ptr addrspace(4) %add.ptr
br label %if.end
if.end:
%swval = phi i8 [ %cond, %if.then ], [ %val, %entry ]
switch i8 %swval, label %sw.default [
i8 -127, label %sw.epilog
i8 -126, label %sw.bb3
i8 -125, label %sw.bb4
i8 -111, label %sw.bb5
i8 -110, label %sw.bb6
i8 -109, label %sw.bb7
i8 -15, label %sw.bb8
i8 -14, label %sw.bb8
i8 -13, label %sw.bb8
i8 -124, label %sw.bb9
i8 -95, label %sw.bb10
i8 -123, label %sw.bb11
]
sw.bb3:
br label %sw.epilog
sw.bb4:
br label %sw.epilog
sw.bb5:
br label %sw.epilog
sw.bb6:
br label %sw.epilog
sw.bb7:
br label %sw.epilog
sw.bb8:
br label %sw.epilog
sw.bb9:
br label %sw.epilog
sw.bb10:
br label %sw.epilog
sw.bb11:
br label %sw.epilog
sw.default:
br label %sw.epilog
sw.epilog:
br label %exit
exit:
ret void
}
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