aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/XCore
diff options
context:
space:
mode:
authorRichard Osborne <richard@xmos.com>2009-01-15 11:32:30 +0000
committerRichard Osborne <richard@xmos.com>2009-01-15 11:32:30 +0000
commitcfb1ae87c676b9d2f4b7c86506c99ab314300ec0 (patch)
tree8da2ad631d62d1aaeffd8bf818c2c1bfb2f6e3bd /test/CodeGen/XCore
parent62db116933dbc2ac61389329c39ccd00d15f066b (diff)
downloadexternal_llvm-cfb1ae87c676b9d2f4b7c86506c99ab314300ec0.zip
external_llvm-cfb1ae87c676b9d2f4b7c86506c99ab314300ec0.tar.gz
external_llvm-cfb1ae87c676b9d2f4b7c86506c99ab314300ec0.tar.bz2
Don't fold address calculations which use negative offsets into
the ADDRspii addressing mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62258 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/XCore')
-rw-r--r--test/CodeGen/XCore/2009-01-08-Crash.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/2009-01-08-Crash.ll b/test/CodeGen/XCore/2009-01-08-Crash.ll
new file mode 100644
index 0000000..6f5fb7c
--- /dev/null
+++ b/test/CodeGen/XCore/2009-01-08-Crash.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -march=xcore > %t1.s
+;; This caused a compilation failure since the
+;; address arithmetic was folded into the LDWSP instruction,
+;; resulting in a negative offset which eliminateFrameIndex was
+;; unable to eliminate.
+define i32 @test(i32 %bar) nounwind readnone {
+entry:
+ %bar_addr = alloca i32
+ %0 = getelementptr i32* %bar_addr, i32 -1
+ %1 = load i32* %0, align 4
+ ret i32 %1
+}