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| author | Richard Osborne <richard@xmos.com> | 2009-01-15 11:32:30 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2009-01-15 11:32:30 +0000 |
| commit | 40119780a8bd4c3846771a5b30ec231048053999 (patch) | |
| tree | 2c1174e379717787b76cab1a451785ad29db1c27 /llvm/test/CodeGen/XCore/2009-01-08-Crash.ll | |
| parent | 502b91a35cf61abcef292504c4db916c1abebd80 (diff) | |
| download | bcm5719-llvm-40119780a8bd4c3846771a5b30ec231048053999.tar.gz bcm5719-llvm-40119780a8bd4c3846771a5b30ec231048053999.zip | |
Don't fold address calculations which use negative offsets into
the ADDRspii addressing mode.
llvm-svn: 62258
Diffstat (limited to 'llvm/test/CodeGen/XCore/2009-01-08-Crash.ll')
| -rw-r--r-- | llvm/test/CodeGen/XCore/2009-01-08-Crash.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/XCore/2009-01-08-Crash.ll b/llvm/test/CodeGen/XCore/2009-01-08-Crash.ll new file mode 100644 index 00000000000..6f5fb7c6871 --- /dev/null +++ b/llvm/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 +} |
