switch-multiple-undef.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -ipsccp < %s | FileCheck %s
declare void @foo()
declare void @goo()
declare void @patatino()
define void @test1(i32 %t) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[CHOICE:%.*]] = icmp eq i32 undef, -1
; CHECK-NEXT: switch i1 [[CHOICE]], label [[FIRST:%.*]] [
; CHECK-NEXT: i1 false, label [[SECOND:%.*]]
; CHECK-NEXT: i1 true, label [[THIRD:%.*]]
; CHECK-NEXT: ]
; CHECK: first:
; CHECK-NEXT: call void @foo()
; CHECK-NEXT: ret void
; CHECK: second:
; CHECK-NEXT: call void @goo()
; CHECK-NEXT: ret void
; CHECK: third:
; CHECK-NEXT: call void @patatino()
; CHECK-NEXT: ret void
;
%choice = icmp eq i32 undef, -1
switch i1 %choice, label %first [i1 0, label %second
i1 1, label %third]
first:
call void @foo()
ret void
second:
call void @goo()
ret void
third:
call void @patatino()
ret void
}