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llvm-mirror/test/Analysis/MemorySSA/pr43641.ll
Alina Sbirlea ecebed8b85 [MemorySSA] Update for partial unswitch.
Update MSSA for blocks cloned when doing partial unswitching.
Enable additional testing with MSSA.
Resolves PR43641.

llvm-svn: 374850
2019-10-14 23:52:39 +00:00

23 lines
799 B
LLVM

; RUN: opt -simple-loop-unswitch -enable-nontrivial-unswitch -enable-mssa-loop-dependency -verify-memoryssa -S < %s | FileCheck %s
; REQUIRES: asserts
; CHECK-LABEL: @c
define dso_local void @c(i32 signext %d) local_unnamed_addr {
entry:
br i1 undef, label %while.end, label %while.body.lr.ph
while.body.lr.ph: ; preds = %entry
%tobool1 = icmp ne i32 %d, 0
br label %while.body
while.body: ; preds = %while.body, %while.body.lr.ph
%call = tail call signext i32 bitcast (i32 (...)* @e to i32 ()*)()
%0 = and i1 %tobool1, undef
br i1 %0, label %while.body, label %while.end
while.end: ; preds = %while.body, %entry
ret void
}
declare signext i32 @e(...) local_unnamed_addr