llvm-mirror/test/Transforms/SCCP/apint-basictest4.ll
Reid Spencer 11d48d6932 For PR1319:
Upgrade to use new Tcl exec based test harness. This exposes 3 bugs that
were previously not being reported:
test/Transforms/GlobalDCE/2002-08-17-FunctionDGE.ll
test/Transforms/GlobalOpt/memset.ll
test/Transforms/IndVarsSimplify/exit_value_tests.llx

llvm-svn: 36065
2007-04-15 09:21:47 +00:00

26 lines
676 B
LLVM

; This is a basic sanity check for constant propogation. It tests the basic
; logic operations.
; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep and
; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep trunc
; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep {ret i100 -1}
define i100 @test(i133 %A) {
%B = and i133 0, %A
%C = icmp sgt i133 %B, 0
br i1 %C, label %BB1, label %BB2
BB1:
%t3 = xor i133 %B, -1
%t4 = trunc i133 %t3 to i100
br label %BB3
BB2:
%f1 = or i133 -1, %A
%f2 = lshr i133 %f1, 33
%f3 = trunc i133 %f2 to i100
br label %BB3
BB3:
%Ret = phi i100 [%t4, %BB1], [%f3, %BB2]
ret i100 %Ret
}