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| author | Jim Grosbach <grosbach@apple.com> | 2012-09-24 23:06:27 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-09-24 23:06:27 +0000 |
| commit | e9525d862454674ce87a9da52b2d05915a142206 (patch) | |
| tree | a3324f3d4e697b95463fb60b9b1d623d25fef016 /test/CodeGen | |
| parent | 7f8f3f7f6400291d30531c88a98511f9fc626b4c (diff) | |
| download | external_llvm-e9525d862454674ce87a9da52b2d05915a142206.zip external_llvm-e9525d862454674ce87a9da52b2d05915a142206.tar.gz external_llvm-e9525d862454674ce87a9da52b2d05915a142206.tar.bz2 | |
Mark jump tables in code sections with DataRegion directives.
Even out-of-line jump tables can be in the code section, so mark them
as data-regions for those targets which support the directives.
rdar://12362871&12362974
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164571 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/pic_jumptable.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pic_jumptable.ll b/test/CodeGen/X86/pic_jumptable.ll index 8c16dc6..bdd8859 100644 --- a/test/CodeGen/X86/pic_jumptable.ll +++ b/test/CodeGen/X86/pic_jumptable.ll @@ -1,5 +1,7 @@ ; RUN: llc < %s -relocation-model=pic -mtriple=i386-linux-gnu -asm-verbose=false \ ; RUN: | FileCheck %s --check-prefix=CHECK-LINUX +; RUN: llc < %s -relocation-model=pic -mark-data-regions -mtriple=i686-apple-darwin -asm-verbose=false \ +; RUN: | FileCheck %s --check-prefix=CHECK-DATA ; RUN: llc < %s -relocation-model=pic -mtriple=i686-apple-darwin -asm-verbose=false \ ; RUN: | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-apple-darwin | not grep 'lJTI' @@ -16,6 +18,16 @@ entry: ; CHECK: Ltmp0 = LJTI0_0-L0$pb ; CHECK-NEXT: addl Ltmp0(%eax,%ecx,4) ; CHECK-NEXT: jmpl *%eax + +;; When data-in-code markers are enabled, we should see them around the jump +;; table. +; CHECK-DATA: .data_region jt32 +; CHECK-DATA: LJTI0_0 +; CHECK-DATA: .end_data_region + +;; When they're not enabled, make sure we don't see them at all. +; CHECK-NOT: .data_region +; CHECK-LINUX-NOT: .data_region %Y_addr = alloca i32 ; <i32*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] store i32 %Y, i32* %Y_addr |