mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
31 lines
832 B
LLVM
31 lines
832 B
LLVM
; RUN: opt -gvn-hoist -S < %s | FileCheck %s
|
|
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; Check that all "sub" expressions are hoisted.
|
|
; CHECK-LABEL: @fun
|
|
; CHECK: sub i64
|
|
; CHECK-NOT: sub i64
|
|
|
|
define i64 @fun(i8* %out, i8* %end) {
|
|
%1 = icmp ult i8* %out, %end
|
|
br i1 %1, label %2, label %6
|
|
|
|
; <label>:2 ; preds = %0
|
|
%3 = ptrtoint i8* %end to i64
|
|
%4 = ptrtoint i8* %out to i64
|
|
%5 = sub i64 %3, %4
|
|
br label %10
|
|
|
|
; <label>:6 ; preds = %0
|
|
%7 = ptrtoint i8* %out to i64
|
|
%8 = ptrtoint i8* %end to i64
|
|
%9 = sub i64 %8, %7
|
|
br label %10
|
|
|
|
; <label>:10 ; preds = %6, %2
|
|
%.in = phi i64 [ %5, %2 ], [ %9, %6 ]
|
|
%11 = add i64 %.in, 257
|
|
ret i64 %11
|
|
}
|