From 5401d393f88b9fa99a8d3a2a1b3013e757d958a2 Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@chromium.org>
Date: Thu, 19 Mar 2020 10:12:16 +0100
Subject: [PATCH] ../llvm/utils/update_test_checks.py --opt-binary bin/opt
 ../llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll

---
 .../PhaseOrdering/min-max-abs-cse.ll          | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll b/llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
index bdf75ca7e82e4..0cdb56748d519 100644
--- a/llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
+++ b/llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
@@ -34,9 +34,12 @@ define i8 @smax_nsw(i8 %a, i8 %b) {
 define i8 @abs_swapped(i8 %a) {
 ; CHECK-LABEL: @abs_swapped(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[NEG]], i8 [[A]]
-; CHECK-NEXT:    ret i8 [[M1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i8 [[A]], 0
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp slt i8 [[A]], 0
+; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
+; CHECK-NEXT:    [[R:%.*]] = or i8 [[M2]], [[M1]]
+; CHECK-NEXT:    ret i8 [[R]]
 ;
   %neg = sub i8 0, %a
   %cmp1 = icmp sgt i8 %a, 0
@@ -51,7 +54,13 @@ define i8 @abs_swapped(i8 %a) {
 
 define i8 @nabs_swapped(i8 %a) {
 ; CHECK-LABEL: @nabs_swapped(
-; CHECK-NEXT:    ret i8 0
+; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i8 [[A]], 0
+; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
+; CHECK-NEXT:    [[R:%.*]] = xor i8 [[M2]], [[M1]]
+; CHECK-NEXT:    ret i8 [[R]]
 ;
   %neg = sub i8 0, %a
   %cmp1 = icmp slt i8 %a, 0
@@ -66,7 +75,13 @@ define i8 @nabs_swapped(i8 %a) {
 
 define i8 @abs_different_constants(i8 %a) {
 ; CHECK-LABEL: @abs_different_constants(
-; CHECK-NEXT:    ret i8 0
+; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i8 [[A]], -1
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp slt i8 [[A]], 0
+; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
+; CHECK-NEXT:    [[R:%.*]] = xor i8 [[M2]], [[M1]]
+; CHECK-NEXT:    ret i8 [[R]]
 ;
   %neg = sub i8 0, %a
   %cmp1 = icmp sgt i8 %a, -1
@@ -83,8 +98,11 @@ define i8 @nabs_different_constants(i8 %a) {
 ; CHECK-LABEL: @nabs_different_constants(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
 ; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i8 [[A]], -1
 ; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
-; CHECK-NEXT:    ret i8 [[M1]]
+; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
+; CHECK-NEXT:    [[R:%.*]] = or i8 [[M2]], [[M1]]
+; CHECK-NEXT:    ret i8 [[R]]
 ;
   %neg = sub i8 0, %a
   %cmp1 = icmp slt i8 %a, 0