; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
; REQUIRES: asserts | |
; XFAIL: * | |
; 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 | |
} |