RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-22 18:54:02 +01:00
Code Issues Projects Releases Wiki Activity
5ff8f4151c
llvm-mirror/test/CodeGen/ARM/addsubcarry-promotion.ll

96 lines
3.1 KiB
LLVM
Raw Normal View History

[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
[ARM] Remove more unused check prefixes, NFC
2020-11-14 16:37:53 +01:00
; RUN: llc -O2 -mtriple armv7a < %s | FileCheck --check-prefixes=ARM %s
[DAG] Promote ADDCARRY / SUBCARRY Add missing case that was not implemented yet. Differential Revision: https://reviews.llvm.org/D38942 llvm-svn: 320567
2017-12-13 11:45:21 +01:00
[ARM] Remove more unused check prefixes, NFC
2020-11-14 16:37:53 +01:00
; RUN: llc -O2 -mtriple thumbv6m < %s | FileCheck --check-prefixes=THUMBV6M %s
; RUN: llc -O2 -mtriple thumbv8m.base < %s | FileCheck --check-prefixes=THUMBV8M-BASE %s
[DAG] Promote ADDCARRY / SUBCARRY Add missing case that was not implemented yet. Differential Revision: https://reviews.llvm.org/D38942 llvm-svn: 320567
2017-12-13 11:45:21 +01:00
[ARM] Remove more unused check prefixes, NFC
2020-11-14 16:37:53 +01:00
; RUN: llc -O2 -mtriple thumbv7a < %s | FileCheck --check-prefixes=THUMB %s
; RUN: llc -O2 -mtriple thumbv8m.main < %s | FileCheck --check-prefixes=THUMB %s
[DAG] Promote ADDCARRY / SUBCARRY Add missing case that was not implemented yet. Differential Revision: https://reviews.llvm.org/D38942 llvm-svn: 320567
2017-12-13 11:45:21 +01:00
define void @fn1(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; ARM-LABEL: fn1:
; ARM: @ %bb.0: @ %entry
[DAGCombine][ARM][X86] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold Summary: `DAGCombiner::visitADDLikeCommutative()` already has a sibling fold: `(add X, Carry) -> (addcarry X, 0, Carry)` This fold, as suggested by @efriedma, helps recover from //some// of the regressions of D62266 Reviewers: efriedma, deadalnix Subscribers: javed.absar, kristof.beyls, llvm-commits, efriedma Tags: #llvm Differential Revision: https://reviews.llvm.org/D62392 llvm-svn: 372259
2019-09-18 22:48:27 +02:00
; ARM-NEXT: rsb r2, r2, #0
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; ARM-NEXT: adds r0, r1, r0
; ARM-NEXT: movw r1, #65535
[DAGCombine][ARM][X86] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold Summary: `DAGCombiner::visitADDLikeCommutative()` already has a sibling fold: `(add X, Carry) -> (addcarry X, 0, Carry)` This fold, as suggested by @efriedma, helps recover from //some// of the regressions of D62266 Reviewers: efriedma, deadalnix Subscribers: javed.absar, kristof.beyls, llvm-commits, efriedma Tags: #llvm Differential Revision: https://reviews.llvm.org/D62392 llvm-svn: 372259
2019-09-18 22:48:27 +02:00
; ARM-NEXT: sxth r2, r2
Revert 4334892e7b "[DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node." This broke various Windows builds, see comments on the Phabricator review. This also reverts the follow-up 20bf0cf. > Summary: > This fold, helps recover from the rest of the D62266 ARM regressions. > https://rise4fun.com/Alive/TvpC > > Note that while the fold is quite flexible, i've restricted it > to the single interesting pattern at the moment. > > Reviewers: efriedma, craig.topper, spatel, RKSimon, deadalnix > > Reviewed By: deadalnix > > Subscribers: javed.absar, kristof.beyls, llvm-commits > > Tags: #llvm > > Differential Revision: https://reviews.llvm.org/D62450
2019-10-23 19:44:16 +02:00
; ARM-NEXT: adc r0, r2, #0
; ARM-NEXT: uxth r0, r0
; ARM-NEXT: cmp r0, r1
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; ARM-NEXT: bxeq lr
; ARM-NEXT: .LBB0_1: @ %for.cond
; ARM-NEXT: @ =>This Inner Loop Header: Depth=1
; ARM-NEXT: b .LBB0_1
;
Revert 4334892e7b "[DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node." This broke various Windows builds, see comments on the Phabricator review. This also reverts the follow-up 20bf0cf. > Summary: > This fold, helps recover from the rest of the D62266 ARM regressions. > https://rise4fun.com/Alive/TvpC > > Note that while the fold is quite flexible, i've restricted it > to the single interesting pattern at the moment. > > Reviewers: efriedma, craig.topper, spatel, RKSimon, deadalnix > > Reviewed By: deadalnix > > Subscribers: javed.absar, kristof.beyls, llvm-commits > > Tags: #llvm > > Differential Revision: https://reviews.llvm.org/D62450
2019-10-23 19:44:16 +02:00
; THUMBV6M-LABEL: fn1:
; THUMBV6M: @ %bb.0: @ %entry
; THUMBV6M-NEXT: rsbs r2, r2, #0
; THUMBV6M-NEXT: sxth r2, r2
; THUMBV6M-NEXT: movs r3, #0
; THUMBV6M-NEXT: adds r0, r1, r0
; THUMBV6M-NEXT: adcs r3, r2
; THUMBV6M-NEXT: uxth r0, r3
; THUMBV6M-NEXT: ldr r1, .LCPI0_0
; THUMBV6M-NEXT: cmp r0, r1
; THUMBV6M-NEXT: beq .LBB0_2
; THUMBV6M-NEXT: .LBB0_1: @ %for.cond
; THUMBV6M-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMBV6M-NEXT: b .LBB0_1
; THUMBV6M-NEXT: .LBB0_2: @ %if.end
; THUMBV6M-NEXT: bx lr
; THUMBV6M-NEXT: .p2align 2
; THUMBV6M-NEXT: @ %bb.3:
; THUMBV6M-NEXT: .LCPI0_0:
; THUMBV6M-NEXT: .long 65535 @ 0xffff
;
; THUMBV8M-BASE-LABEL: fn1:
; THUMBV8M-BASE: @ %bb.0: @ %entry
; THUMBV8M-BASE-NEXT: rsbs r2, r2, #0
; THUMBV8M-BASE-NEXT: sxth r2, r2
; THUMBV8M-BASE-NEXT: movs r3, #0
; THUMBV8M-BASE-NEXT: adds r0, r1, r0
; THUMBV8M-BASE-NEXT: adcs r3, r2
; THUMBV8M-BASE-NEXT: uxth r0, r3
; THUMBV8M-BASE-NEXT: movw r1, #65535
; THUMBV8M-BASE-NEXT: cmp r0, r1
; THUMBV8M-BASE-NEXT: beq .LBB0_2
; THUMBV8M-BASE-NEXT: .LBB0_1: @ %for.cond
; THUMBV8M-BASE-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMBV8M-BASE-NEXT: b .LBB0_1
; THUMBV8M-BASE-NEXT: .LBB0_2: @ %if.end
; THUMBV8M-BASE-NEXT: bx lr
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
;
; THUMB-LABEL: fn1:
; THUMB: @ %bb.0: @ %entry
[DAGCombine][ARM][X86] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold Summary: `DAGCombiner::visitADDLikeCommutative()` already has a sibling fold: `(add X, Carry) -> (addcarry X, 0, Carry)` This fold, as suggested by @efriedma, helps recover from //some// of the regressions of D62266 Reviewers: efriedma, deadalnix Subscribers: javed.absar, kristof.beyls, llvm-commits, efriedma Tags: #llvm Differential Revision: https://reviews.llvm.org/D62392 llvm-svn: 372259
2019-09-18 22:48:27 +02:00
; THUMB-NEXT: rsbs r2, r2, #0
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; THUMB-NEXT: adds r0, r0, r1
Revert 4334892e7b "[DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node." This broke various Windows builds, see comments on the Phabricator review. This also reverts the follow-up 20bf0cf. > Summary: > This fold, helps recover from the rest of the D62266 ARM regressions. > https://rise4fun.com/Alive/TvpC > > Note that while the fold is quite flexible, i've restricted it > to the single interesting pattern at the moment. > > Reviewers: efriedma, craig.topper, spatel, RKSimon, deadalnix > > Reviewed By: deadalnix > > Subscribers: javed.absar, kristof.beyls, llvm-commits > > Tags: #llvm > > Differential Revision: https://reviews.llvm.org/D62450
2019-10-23 19:44:16 +02:00
; THUMB-NEXT: movw r1, #65535
[DAGCombine][ARM][X86] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold Summary: `DAGCombiner::visitADDLikeCommutative()` already has a sibling fold: `(add X, Carry) -> (addcarry X, 0, Carry)` This fold, as suggested by @efriedma, helps recover from //some// of the regressions of D62266 Reviewers: efriedma, deadalnix Subscribers: javed.absar, kristof.beyls, llvm-commits, efriedma Tags: #llvm Differential Revision: https://reviews.llvm.org/D62392 llvm-svn: 372259
2019-09-18 22:48:27 +02:00
; THUMB-NEXT: sxth r2, r2
Revert 4334892e7b "[DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node." This broke various Windows builds, see comments on the Phabricator review. This also reverts the follow-up 20bf0cf. > Summary: > This fold, helps recover from the rest of the D62266 ARM regressions. > https://rise4fun.com/Alive/TvpC > > Note that while the fold is quite flexible, i've restricted it > to the single interesting pattern at the moment. > > Reviewers: efriedma, craig.topper, spatel, RKSimon, deadalnix > > Reviewed By: deadalnix > > Subscribers: javed.absar, kristof.beyls, llvm-commits > > Tags: #llvm > > Differential Revision: https://reviews.llvm.org/D62450
2019-10-23 19:44:16 +02:00
; THUMB-NEXT: adc r0, r2, #0
; THUMB-NEXT: uxth r0, r0
; THUMB-NEXT: cmp r0, r1
[NFC][ARM] Autogenerate addsubcarry-promotion.ll test Being affected by upcoming patch llvm-svn: 361397
2019-05-22 17:34:51 +02:00
; THUMB-NEXT: it eq
; THUMB-NEXT: bxeq lr
; THUMB-NEXT: .LBB0_1: @ %for.cond
; THUMB-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMB-NEXT: b .LBB0_1
[DAG] Promote ADDCARRY / SUBCARRY Add missing case that was not implemented yet. Differential Revision: https://reviews.llvm.org/D38942 llvm-svn: 320567
2017-12-13 11:45:21 +01:00
entry:
%add = add i32 %b, %a
%cmp = icmp ult i32 %add, %b
%conv = zext i1 %cmp to i32
%sub = sub i32 1, %c
%add1 = add i32 %sub, %conv
%conv2 = trunc i32 %add1 to i16
%tobool = icmp eq i16 %conv2, 0
br i1 %tobool, label %if.end, label %for.cond.preheader
for.cond.preheader: ; preds = %entry
br label %for.cond
for.cond: ; preds = %for.cond.preheader, %for.cond
br label %for.cond
if.end: ; preds = %entry
ret void
}
Reference in New Issue Copy Permalink