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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; REQUIRES: asserts
; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa < %s | FileCheck %s
; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -passes='require<domtree>,loop(simplify-cfg)' -verify-loop-info -verify-dom-info -verify-loop-lcssa < %s | FileCheck %s
; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -enable-mssa-loop-dependency=true -verify-memoryssa -verify-loop-info -verify-dom-info -verify-loop-lcssa < %s | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
; Make sure we update MSSA properly.
define void @test(i32* %a, i32* %b) {
; CHECK-LABEL: @test(
entry:
br label %for.body
for.body:
%i = phi i32 [ 0, %entry ], [ %i.inc, %latch ]
br label %switch.bb
switch.bb:
switch i2 1, label %default [
i2 1, label %case
]
case:
br label %latch
default:
unreachable
latch:
store i32 %i, i32* %a
store i32 %i, i32* %b
%i.inc = add nsw i32 %i, 1
%exitcond = icmp eq i32 %i.inc, 4
br i1 %exitcond, label %exit, label %for.body
exit:
ret void
}
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