mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 12:02:58 +02:00
8b72ea100b
Before reevaluating instructions, iterate over all instructions to be reevaluated and remove trivially dead instructions and if any of it's operands become trivially dead, mark it for deletion until all trivially dead instructions have been removed llvm-svn: 256773
25 lines
649 B
LLVM
25 lines
649 B
LLVM
; RUN: opt -S -reassociate < %s | FileCheck %s
|
|
; rdar://9167457
|
|
|
|
; Reassociate shouldn't break this testcase involving a secondary
|
|
; reassociation.
|
|
|
|
; CHECK: define
|
|
; CHECK-NOT: undef
|
|
; CHECK: %factor = mul i32 %tmp3, -2
|
|
; CHECK-NOT: undef
|
|
; CHECK: }
|
|
|
|
define void @x0f2f640ab6718391b59ce96d9fdeda54(i32 %arg, i32 %arg1, i32 %arg2, i32* %.out) nounwind {
|
|
_:
|
|
%tmp = sub i32 %arg, %arg1
|
|
%tmp3 = mul i32 %tmp, -1268345047
|
|
%tmp4 = add i32 %tmp3, 2014710503
|
|
%tmp5 = add i32 %tmp3, -1048397418
|
|
%tmp6 = sub i32 %tmp4, %tmp5
|
|
%tmp7 = sub i32 -2014710503, %tmp3
|
|
%tmp8 = add i32 %tmp6, %tmp7
|
|
store i32 %tmp8, i32* %.out
|
|
ret void
|
|
}
|