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Revert r141365. It was causing MultiSource/Benchmarks/MiBench/consumer-lame to

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hang, and possibly SPEC/CINT2006/464_h264ref.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141560 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-10-10 18:27:30 +00:00
parent 042aadd8ee
commit eba564ceac
6 changed files with 7 additions and 177 deletions
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8
test/CodeGen/ARM/iabs.ll
View File

@@ -1,8 +1,8 @@
; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s
;; Integer absolute value, should produce something as good as: ARM:
;; movs r0, r0
;; rsbmi r0, r0, #0
;; add r3, r0, r0, asr #31
;; eor r0, r3, r0, asr #31
;; bx lr
define i32 @test(i32 %a) {
@@ -10,7 +10,7 @@ define i32 @test(i32 %a) {
%b = icmp sgt i32 %a, -1
%abs = select i1 %b, i32 %a, i32 %tmp1neg
ret i32 %abs
; CHECK: movs r0, r0
; CHECK: rsbmi r0, r0, #0
; CHECK: add r1, r0, r0, asr #31
; CHECK: eor r0, r1, r0, asr #31
; CHECK: bx lr
}

11
test/CodeGen/Thumb/iabs.ll
View File

@@ -3,9 +3,9 @@
;; Integer absolute value, should produce something as good as:
;; Thumb:
;; movs r0, r0
;; bpl
;; rsb r0, r0, #0 (with opitmization, bpl + rsb is if-converted into rsbmi)
;; asr r2, r0, #31
;; add r0, r0, r2
;; eor r0, r2
;; bx lr
define i32 @test(i32 %a) {
@@ -13,10 +13,5 @@ define i32 @test(i32 %a) {
%b = icmp sgt i32 %a, -1
%abs = select i1 %b, i32 %a, i32 %tmp1neg
ret i32 %abs
; CHECK: movs r0, r0
; CHECK: bpl
; CHECK: rsb r0, r0, #0
; CHECK: bx lr
}