| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ;RUN: llc < %s -mtriple=i686 -mattr=sse4.1 -stop-after=finalize-isel 2>&1 | FileCheck %s |
| |
| ; This test makes sure we discard pointer info when we combine a vector load |
| ; and a variable extractelement into a scalar load using an index. There's also |
| ; a test to ensure we don't discard it for the constant index case. |
| |
| ; CHECK: name: const_index |
| ; CHECK: bb.0 (%ir-block.0): |
| ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0) |
| ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 1, $noreg, 4, $noreg :: (load (s32) from %ir.v + 4) |
| ; CHECK: $eax = COPY [[LOAD]] |
| ; CHECK: RET 0, $eax |
| define i32 @const_index(ptr %v) { |
| %a = load <8 x i32>, ptr %v |
| %b = extractelement <8 x i32> %a, i32 1 |
| ret i32 %b |
| } |
| |
| ; CHECK: name: variable_index |
| ; CHECK: bb.0 (%ir-block.0): |
| ; CHECK: [[INDEX:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0) |
| ; CHECK: [[MASKED_INDEX:%[0-9]+]]:gr32_nosp = AND32ri8 [[INDEX]], 7, implicit-def dead $eflags |
| ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.1) |
| ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 4, killed [[MASKED_INDEX]], 0, $noreg :: (load (s32)) |
| ; CHECK: $eax = COPY [[LOAD]] |
| ; CHECK: RET 0, $eax |
| define i32 @variable_index(ptr %v, i32 %i) { |
| %a = load <8 x i32>, ptr %v |
| %b = extractelement <8 x i32> %a, i32 %i |
| ret i32 %b |
| } |
| |
| ; CHECK: name: variable_index_with_addrspace |
| ; CHECK: bb.0 (%ir-block.0): |
| ; CHECK: [[INDEX:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0) |
| ; CHECK: [[MASKED_INDEX:%[0-9]+]]:gr32_nosp = AND32ri8 [[INDEX]], 7, implicit-def dead $eflags |
| ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.1) |
| ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 4, killed [[MASKED_INDEX]], 0, $noreg :: (load (s32), addrspace 1) |
| ; CHECK: $eax = COPY [[LOAD]] |
| ; CHECK: RET 0, $eax |
| define i32 @variable_index_with_addrspace(ptr addrspace(1) %v, i32 %i) { |
| %a = load <8 x i32>, ptr addrspace(1) %v |
| %b = extractelement <8 x i32> %a, i32 %i |
| ret i32 %b |
| } |