llvm-6502/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll
2006-12-02 04:23:10 +00:00

24 lines
504 B
LLVM

; Basic block #2 should not be merged into BB #3!
;
; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | grep 'br label'
;
declare void %foo()
implementation
void "cprop_test12"(int* %data) {
bb0:
%reg108 = load int* %data
%cond218 = setne int %reg108, 5
br bool %cond218, label %bb3, label %bb2
bb2:
call void %foo()
br label %bb3
bb3:
%reg117 = phi int [ 110, %bb2 ], [ %reg108, %bb0 ]
store int %reg117, int* %data
ret void
}