1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ;RUN: llc < %s -mtriple=i686 -mattr=sse4.1 -stop-after=finalize-isel 2>&1 | FileCheck %s
4 ; This test makes sure we discard pointer info when we combine a vector load
5 ; and a variable extractelement into a scalar load using an index. There's also
6 ; a test to ensure we don't discard it for the constant index case.
8 ; CHECK: name: const_index
9 ; CHECK: bb.0 (%ir-block.0):
10 ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0)
11 ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 1, $noreg, 4, $noreg :: (load (s32) from %ir.v + 4)
12 ; CHECK: $eax = COPY [[LOAD]]
14 define i32 @const_index(ptr %v) {
15 %a = load <8 x i32>, ptr %v
16 %b = extractelement <8 x i32> %a, i32 1
20 ; CHECK: name: variable_index
21 ; CHECK: bb.0 (%ir-block.0):
22 ; CHECK: [[INDEX:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0)
23 ; CHECK: [[MASKED_INDEX:%[0-9]+]]:gr32_nosp = AND32ri [[INDEX]], 7, implicit-def dead $eflags
24 ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.1)
25 ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 4, killed [[MASKED_INDEX]], 0, $noreg :: (load (s32))
26 ; CHECK: $eax = COPY [[LOAD]]
28 define i32 @variable_index(ptr %v, i32 %i) {
29 %a = load <8 x i32>, ptr %v
30 %b = extractelement <8 x i32> %a, i32 %i
34 ; CHECK: name: variable_index_with_addrspace
35 ; CHECK: bb.0 (%ir-block.0):
36 ; CHECK: [[INDEX:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.0)
37 ; CHECK: [[MASKED_INDEX:%[0-9]+]]:gr32_nosp = AND32ri [[INDEX]], 7, implicit-def dead $eflags
38 ; CHECK: [[POINTER:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (load (s32) from %fixed-stack.1)
39 ; CHECK: [[LOAD:%[0-9]+]]:gr32 = MOV32rm killed [[POINTER]], 4, killed [[MASKED_INDEX]], 0, $noreg :: (load (s32), addrspace 1)
40 ; CHECK: $eax = COPY [[LOAD]]
42 define i32 @variable_index_with_addrspace(ptr addrspace(1) %v, i32 %i) {
43 %a = load <8 x i32>, ptr addrspace(1) %v
44 %b = extractelement <8 x i32> %a, i32 %i