From 5e9401c9f72c69fc9a70b4ea7250ce19606fee4e Mon Sep 17 00:00:00 2001
From: James Molloy <james.molloy@arm.com>
Date: Wed, 31 Aug 2016 11:01:41 +0000
Subject: [PATCH] Attempt to pacify buildbots after r280217
These clang tests check diagnostics from the backend by giving it an unvectorizable loop. This loop is now vectorized :/
Make it really unvectorizable by making it unprofitable to ifconvert.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@280220 91177308-0d34-0410-b5e6-96231b3b80d8
---
test/Misc/backend-optimization-failure-nodbg.cpp | 4 ++--
test/Misc/backend-optimization-failure.cpp | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/test/Misc/backend-optimization-failure-nodbg.cpp b/test/Misc/backend-optimization-failure-nodbg.cpp
index 1e847185e81..aba37de231a 100644
--- a/test/Misc/backend-optimization-failure-nodbg.cpp
+++ b/test/Misc/backend-optimization-failure-nodbg.cpp
@@ -4,7 +4,7 @@
// Test verifies optimization failures generated by the backend are handled
// correctly by clang. LLVM tests verify all of the failure conditions.
-void test_switch(int *A, int *B, int Length) { /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */
+void test_switch(int *A, int *B, int Length, int J) { /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */
#pragma clang loop vectorize(enable) unroll(disable)
for (int i = 0; i < Length; i++) {
switch (A[i]) {
@@ -12,7 +12,7 @@ void test_switch(int *A, int *B, int Length) { /* expected-warning {{loop not ve
B[i] = 1;
break;
case 1:
- B[i] = 2;
+ B[J] = 2;
break;
default:
B[i] = 3;
diff --git a/test/Misc/backend-optimization-failure.cpp b/test/Misc/backend-optimization-failure.cpp
index bb50e96aaa5..1657c0cb91d 100644
--- a/test/Misc/backend-optimization-failure.cpp
+++ b/test/Misc/backend-optimization-failure.cpp
@@ -4,7 +4,7 @@
// Test verifies optimization failures generated by the backend are handled
// correctly by clang. LLVM tests verify all of the failure conditions.
-void test_switch(int *A, int *B, int Length) {
+void test_switch(int *A, int *B, int Length,int J) {
#pragma clang loop vectorize(enable) unroll(disable)
for (int i = 0; i < Length; i++) {
/* expected-warning@-1 {{loop not vectorized: failed explicitly specified loop vectorization}} */ switch (A[i]) {
@@ -12,7 +12,7 @@ void test_switch(int *A, int *B, int Length) {
B[i] = 1;
break;
case 1:
- B[i] = 2;
+ B[J] = 2;
break;
default:
B[i] = 3;
--
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