diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/DebugInfo/X86/debug-loc-asan.ll | 4 |
2 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 4b8a8362c5a..e490c274b5f 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -2709,7 +2709,10 @@ unsigned X86FastISel::TargetMaterializeConstant(const Constant *C) { // Materialize addresses with LEA instructions. if (isa<GlobalValue>(C)) { - //LEA can only handle 32 bit immediates + // LEA can only handle 32 bit immediates. Currently this happens pretty + // rarely, so rather than deal with it just bail out of fast isel. If any + // architectures endis up needing to use this path a lot then fast isel + // could get the address with a MOV64ri and use that to load the value. if (TM.getRelocationModel() == Reloc::Static && Subtarget->is64Bit()) return false; diff --git a/llvm/test/DebugInfo/X86/debug-loc-asan.ll b/llvm/test/DebugInfo/X86/debug-loc-asan.ll index 8730cf9d361..0e02c678717 100644 --- a/llvm/test/DebugInfo/X86/debug-loc-asan.ll +++ b/llvm/test/DebugInfo/X86/debug-loc-asan.ll @@ -9,7 +9,7 @@ ; } ; with "clang++ -S -emit-llvm -fsanitize=address -O0 -g test.cc" -; First, argument variable "y" resides in %rdi: +; First, argument variable "y" resides in %rdx: ; CHECK: DEBUG_VALUE: bar:y <- RDX ; Then its address is stored in a location on a stack: @@ -21,7 +21,7 @@ ; CHECK: .Ldebug_loc{{[0-9]+}}: ; We expect two location ranges for the variable. -; First, it is stored in %rdi: +; First, it is stored in %rdx: ; CHECK: .Lset{{[0-9]+}} = .Lfunc_begin0-.Lfunc_begin0 ; CHECK-NEXT: .quad .Lset{{[0-9]+}} ; CHECK-NEXT: .Lset{{[0-9]+}} = [[START_LABEL]]-.Lfunc_begin0 |
