mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-04 10:04:33 +00:00
9aafdcf20d
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36065 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
676 B
LLVM
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
|
|
}
|