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| author | Hal Finkel <hfinkel@anl.gov> | 2016-07-16 07:07:29 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2016-07-16 07:07:29 +0000 |
| commit | 04b5330ccdf93e3d051c7abe67303dd2dc973303 (patch) | |
| tree | eb9b2a9a4716d9b5d0ad72c9c27dad0e0ad527e3 /llvm/test/CodeGen | |
| parent | a711cc7951847e3b3bf729e0df9f2ce2e17b2f11 (diff) | |
| download | bcm5719-llvm-04b5330ccdf93e3d051c7abe67303dd2dc973303.tar.gz bcm5719-llvm-04b5330ccdf93e3d051c7abe67303dd2dc973303.zip | |
Disable this-return argument forwarding on ARM/AArch64
r275042 reverted function-attribute inference for the 'returned' attribute
because the feature triggered self-hosting failures on ARM and AArch64. James
Molloy determined that the this-return argument forwarding feature, which
directly ties the returned input argument to the returned value, was the cause.
It seems likely that this forwarding code contains, or triggers, a subtle bug.
Disabling for now until we can track that down.
llvm-svn: 275677
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-this-return.ll | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/returned-ext.ll | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/this-return.ll | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-this-return.ll b/llvm/test/CodeGen/AArch64/arm64-this-return.ll index 3be1a69237d..9fc68f476b7 100644 --- a/llvm/test/CodeGen/AArch64/arm64-this-return.ll +++ b/llvm/test/CodeGen/AArch64/arm64-this-return.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=arm64 | FileCheck %s +; RUN: llc < %s -march=arm64 -aarch64-this-return-forwarding | FileCheck %s %struct.A = type { i8 } %struct.B = type { i32 } diff --git a/llvm/test/CodeGen/ARM/returned-ext.ll b/llvm/test/CodeGen/ARM/returned-ext.ll index da3511b9c78..f592d0aec5f 100644 --- a/llvm/test/CodeGen/ARM/returned-ext.ll +++ b/llvm/test/CodeGen/ARM/returned-ext.ll @@ -1,5 +1,5 @@ -; RUN: llc < %s -mtriple=armv6-linux-gnueabi | FileCheck %s -check-prefix=CHECKELF -; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0 | FileCheck %s -check-prefix=CHECKT2D +; RUN: llc < %s -mtriple=armv6-linux-gnueabi -arm-this-return-forwarding | FileCheck %s -check-prefix=CHECKELF +; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0 -arm-this-return-forwarding | FileCheck %s -check-prefix=CHECKT2D declare i16 @identity16(i16 returned %x) declare i32 @identity32(i32 returned %x) diff --git a/llvm/test/CodeGen/ARM/this-return.ll b/llvm/test/CodeGen/ARM/this-return.ll index bccb4e5c7c7..931210c2a8e 100644 --- a/llvm/test/CodeGen/ARM/this-return.ll +++ b/llvm/test/CodeGen/ARM/this-return.ll @@ -1,5 +1,5 @@ -; RUN: llc < %s -mtriple=armv6-linux-gnueabi | FileCheck %s -check-prefix=CHECKELF -; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0 | FileCheck %s -check-prefix=CHECKT2D +; RUN: llc < %s -mtriple=armv6-linux-gnueabi -arm-this-return-forwarding | FileCheck %s -check-prefix=CHECKELF +; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0 -arm-this-return-forwarding | FileCheck %s -check-prefix=CHECKT2D %struct.A = type { i8 } %struct.B = type { i32 } |
