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; RUN: opt < %s -passes=gvn-hoist -S | FileCheck %s
; This test is meant to make sure that MemorySSAUpdater works correctly
; in non-trivial cases.
; CHECK: if.else218:
; CHECK-NEXT: %0 = load i32, ptr undef, align 4
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
%s = type { i32, ptr, [3 x i8], i8 }
define void @test() {
entry:
br label %cond.end118
cond.end118: ; preds = %entry
br i1 undef, label %cleanup, label %if.end155
if.end155: ; preds = %cond.end118
br label %while.cond
while.cond: ; preds = %while.body, %if.end155
br i1 undef, label %while.end, label %while.body
while.body: ; preds = %while.cond
br label %while.cond
while.end: ; preds = %while.cond
switch i32 undef, label %if.else218 [
i32 1, label %cleanup
i32 0, label %if.then174
]
if.then174: ; preds = %while.end
unreachable
if.else218: ; preds = %while.end
br i1 undef, label %if.then226, label %if.else326
if.then226: ; preds = %if.else218
%0 = load i32, ptr undef, align 4
unreachable
if.else326: ; preds = %if.else218
%1 = load i32, ptr undef, align 4
unreachable
cleanup: ; preds = %while.end, %cond.end118
ret void
}
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