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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2;RUN: llc < %s -mtriple=i686 -mattr=sse4.1 -stop-after=finalize-isel 2>&1 | FileCheck %s3 4; This test makes sure we discard pointer info when we combine a vector load5; and a variable extractelement into a scalar load using an index. There's also6; a test to ensure we don't discard it for the constant index case.7 8; CHECK: name: const_index9; 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]]13; CHECK: RET 0, $eax14define i32 @const_index(ptr %v) {15 %a = load <8 x i32>, ptr %v16 %b = extractelement <8 x i32> %a, i32 117 ret i32 %b18}19 20; CHECK: name: variable_index21; 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 $eflags24; 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]]27; CHECK: RET 0, $eax28define i32 @variable_index(ptr %v, i32 %i) {29 %a = load <8 x i32>, ptr %v30 %b = extractelement <8 x i32> %a, i32 %i31 ret i32 %b32}33 34; CHECK: name: variable_index_with_addrspace35; 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 $eflags38; 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]]41; CHECK: RET 0, $eax42define i32 @variable_index_with_addrspace(ptr addrspace(1) %v, i32 %i) {43 %a = load <8 x i32>, ptr addrspace(1) %v44 %b = extractelement <8 x i32> %a, i32 %i45 ret i32 %b46}47