llvm-6502/test/Transforms/SimplifyCFG/EqualPHIEdgeBlockMerge.ll
Chris Lattner d808e45658 Eliminate explicit control flow in tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6961 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 23:13:12 +00:00

19 lines
347 B
LLVM

; Test merging of blocks with phi nodes.
;
; RUN: as < %s | opt -simplifycfg | dis | not grep 'N:'
;
int %test(bool %a) {
Q:
br bool %a, label %N, label %M
N:
br label %M
M:
; It's ok to merge N and M because the incoming values for W are the
; same for both cases...
%W = phi int [2, %N], [2, %Q]
%R = add int %W, 1
ret int %R
}