| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s |
| |
| %structTy = type { i8, i32, i32 } |
| |
| @e = common global %structTy zeroinitializer, align 4 |
| |
| ;; Ensure that MergeConsecutiveStores doesn't incorrectly reorder |
| ;; store operations. The first test stores in increasing address |
| ;; order, the second in decreasing -- but in both cases should have |
| ;; the same result in memory in the end. |
| |
| define void @redundant_stores_merging() { |
| ; CHECK-LABEL: redundant_stores_merging: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movabsq $528280977409, %rax # imm = 0x7B00000001 |
| ; CHECK-NEXT: movq %rax, e+{{.*}}(%rip) |
| ; CHECK-NEXT: movl $456, e+{{.*}}(%rip) # imm = 0x1C8 |
| ; CHECK-NEXT: retq |
| store i32 1, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 1), align 4 |
| store i32 123, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 2), align 4 |
| store i32 456, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 2), align 4 |
| ret void |
| } |
| |
| ;; This variant tests PR25154. |
| define void @redundant_stores_merging_reverse() { |
| ; CHECK-LABEL: redundant_stores_merging_reverse: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movabsq $528280977409, %rax # imm = 0x7B00000001 |
| ; CHECK-NEXT: movq %rax, e+{{.*}}(%rip) |
| ; CHECK-NEXT: movl $456, e+{{.*}}(%rip) # imm = 0x1C8 |
| ; CHECK-NEXT: retq |
| store i32 123, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 2), align 4 |
| store i32 456, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 2), align 4 |
| store i32 1, i32* getelementptr inbounds (%structTy, %structTy* @e, i64 0, i32 1), align 4 |
| ret void |
| } |
| |
| @b = common global [8 x i8] zeroinitializer, align 2 |
| |
| ;; The 2-byte store to offset 3 overlaps the 2-byte store to offset 2; |
| ;; these must not be reordered in MergeConsecutiveStores such that the |
| ;; store to 3 comes first (e.g. by merging the stores to 0 and 2 into |
| ;; a movl, after the store to 3). |
| |
| define void @overlapping_stores_merging() { |
| ; CHECK-LABEL: overlapping_stores_merging: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl $1, {{.*}}(%rip) |
| ; CHECK-NEXT: movw $2, b+{{.*}}(%rip) |
| ; CHECK-NEXT: retq |
| store i16 0, i16* bitcast (i8* getelementptr inbounds ([8 x i8], [8 x i8]* @b, i64 0, i64 2) to i16*), align 2 |
| store i16 2, i16* bitcast (i8* getelementptr inbounds ([8 x i8], [8 x i8]* @b, i64 0, i64 3) to i16*), align 1 |
| store i16 1, i16* bitcast (i8* getelementptr inbounds ([8 x i8], [8 x i8]* @b, i64 0, i64 0) to i16*), align 2 |
| ret void |
| } |
| |
| define void @extract_vector_store_16_consecutive_bytes(<2 x i64> %v, i8* %ptr) #0 { |
| ; CHECK-LABEL: extract_vector_store_16_consecutive_bytes: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vmovups %xmm0, (%rdi) |
| ; CHECK-NEXT: retq |
| %bc = bitcast <2 x i64> %v to <16 x i8> |
| %ext00 = extractelement <16 x i8> %bc, i32 0 |
| %ext01 = extractelement <16 x i8> %bc, i32 1 |
| %ext02 = extractelement <16 x i8> %bc, i32 2 |
| %ext03 = extractelement <16 x i8> %bc, i32 3 |
| %ext04 = extractelement <16 x i8> %bc, i32 4 |
| %ext05 = extractelement <16 x i8> %bc, i32 5 |
| %ext06 = extractelement <16 x i8> %bc, i32 6 |
| %ext07 = extractelement <16 x i8> %bc, i32 7 |
| %ext08 = extractelement <16 x i8> %bc, i32 8 |
| %ext09 = extractelement <16 x i8> %bc, i32 9 |
| %ext10 = extractelement <16 x i8> %bc, i32 10 |
| %ext11 = extractelement <16 x i8> %bc, i32 11 |
| %ext12 = extractelement <16 x i8> %bc, i32 12 |
| %ext13 = extractelement <16 x i8> %bc, i32 13 |
| %ext14 = extractelement <16 x i8> %bc, i32 14 |
| %ext15 = extractelement <16 x i8> %bc, i32 15 |
| %gep00 = getelementptr inbounds i8, i8* %ptr, i64 0 |
| %gep01 = getelementptr inbounds i8, i8* %ptr, i64 1 |
| %gep02 = getelementptr inbounds i8, i8* %ptr, i64 2 |
| %gep03 = getelementptr inbounds i8, i8* %ptr, i64 3 |
| %gep04 = getelementptr inbounds i8, i8* %ptr, i64 4 |
| %gep05 = getelementptr inbounds i8, i8* %ptr, i64 5 |
| %gep06 = getelementptr inbounds i8, i8* %ptr, i64 6 |
| %gep07 = getelementptr inbounds i8, i8* %ptr, i64 7 |
| %gep08 = getelementptr inbounds i8, i8* %ptr, i64 8 |
| %gep09 = getelementptr inbounds i8, i8* %ptr, i64 9 |
| %gep10 = getelementptr inbounds i8, i8* %ptr, i64 10 |
| %gep11 = getelementptr inbounds i8, i8* %ptr, i64 11 |
| %gep12 = getelementptr inbounds i8, i8* %ptr, i64 12 |
| %gep13 = getelementptr inbounds i8, i8* %ptr, i64 13 |
| %gep14 = getelementptr inbounds i8, i8* %ptr, i64 14 |
| %gep15 = getelementptr inbounds i8, i8* %ptr, i64 15 |
| store i8 %ext00, i8* %gep00, align 1 |
| store i8 %ext01, i8* %gep01, align 1 |
| store i8 %ext02, i8* %gep02, align 1 |
| store i8 %ext03, i8* %gep03, align 1 |
| store i8 %ext04, i8* %gep04, align 1 |
| store i8 %ext05, i8* %gep05, align 1 |
| store i8 %ext06, i8* %gep06, align 1 |
| store i8 %ext07, i8* %gep07, align 1 |
| store i8 %ext08, i8* %gep08, align 1 |
| store i8 %ext09, i8* %gep09, align 1 |
| store i8 %ext10, i8* %gep10, align 1 |
| store i8 %ext11, i8* %gep11, align 1 |
| store i8 %ext12, i8* %gep12, align 1 |
| store i8 %ext13, i8* %gep13, align 1 |
| store i8 %ext14, i8* %gep14, align 1 |
| store i8 %ext15, i8* %gep15, align 1 |
| ret void |
| } |
| |
| ; PR34217 - https://bugs.llvm.org/show_bug.cgi?id=34217 |
| |
| define void @extract_vector_store_32_consecutive_bytes(<4 x i64> %v, i8* %ptr) #0 { |
| ; CHECK-LABEL: extract_vector_store_32_consecutive_bytes: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vmovups %ymm0, (%rdi) |
| ; CHECK-NEXT: vzeroupper |
| ; CHECK-NEXT: retq |
| %bc = bitcast <4 x i64> %v to <32 x i8> |
| %ext00 = extractelement <32 x i8> %bc, i32 0 |
| %ext01 = extractelement <32 x i8> %bc, i32 1 |
| %ext02 = extractelement <32 x i8> %bc, i32 2 |
| %ext03 = extractelement <32 x i8> %bc, i32 3 |
| %ext04 = extractelement <32 x i8> %bc, i32 4 |
| %ext05 = extractelement <32 x i8> %bc, i32 5 |
| %ext06 = extractelement <32 x i8> %bc, i32 6 |
| %ext07 = extractelement <32 x i8> %bc, i32 7 |
| %ext08 = extractelement <32 x i8> %bc, i32 8 |
| %ext09 = extractelement <32 x i8> %bc, i32 9 |
| %ext10 = extractelement <32 x i8> %bc, i32 10 |
| %ext11 = extractelement <32 x i8> %bc, i32 11 |
| %ext12 = extractelement <32 x i8> %bc, i32 12 |
| %ext13 = extractelement <32 x i8> %bc, i32 13 |
| %ext14 = extractelement <32 x i8> %bc, i32 14 |
| %ext15 = extractelement <32 x i8> %bc, i32 15 |
| %ext16 = extractelement <32 x i8> %bc, i32 16 |
| %ext17 = extractelement <32 x i8> %bc, i32 17 |
| %ext18 = extractelement <32 x i8> %bc, i32 18 |
| %ext19 = extractelement <32 x i8> %bc, i32 19 |
| %ext20 = extractelement <32 x i8> %bc, i32 20 |
| %ext21 = extractelement <32 x i8> %bc, i32 21 |
| %ext22 = extractelement <32 x i8> %bc, i32 22 |
| %ext23 = extractelement <32 x i8> %bc, i32 23 |
| %ext24 = extractelement <32 x i8> %bc, i32 24 |
| %ext25 = extractelement <32 x i8> %bc, i32 25 |
| %ext26 = extractelement <32 x i8> %bc, i32 26 |
| %ext27 = extractelement <32 x i8> %bc, i32 27 |
| %ext28 = extractelement <32 x i8> %bc, i32 28 |
| %ext29 = extractelement <32 x i8> %bc, i32 29 |
| %ext30 = extractelement <32 x i8> %bc, i32 30 |
| %ext31 = extractelement <32 x i8> %bc, i32 31 |
| %gep00 = getelementptr inbounds i8, i8* %ptr, i64 0 |
| %gep01 = getelementptr inbounds i8, i8* %ptr, i64 1 |
| %gep02 = getelementptr inbounds i8, i8* %ptr, i64 2 |
| %gep03 = getelementptr inbounds i8, i8* %ptr, i64 3 |
| %gep04 = getelementptr inbounds i8, i8* %ptr, i64 4 |
| %gep05 = getelementptr inbounds i8, i8* %ptr, i64 5 |
| %gep06 = getelementptr inbounds i8, i8* %ptr, i64 6 |
| %gep07 = getelementptr inbounds i8, i8* %ptr, i64 7 |
| %gep08 = getelementptr inbounds i8, i8* %ptr, i64 8 |
| %gep09 = getelementptr inbounds i8, i8* %ptr, i64 9 |
| %gep10 = getelementptr inbounds i8, i8* %ptr, i64 10 |
| %gep11 = getelementptr inbounds i8, i8* %ptr, i64 11 |
| %gep12 = getelementptr inbounds i8, i8* %ptr, i64 12 |
| %gep13 = getelementptr inbounds i8, i8* %ptr, i64 13 |
| %gep14 = getelementptr inbounds i8, i8* %ptr, i64 14 |
| %gep15 = getelementptr inbounds i8, i8* %ptr, i64 15 |
| %gep16 = getelementptr inbounds i8, i8* %ptr, i64 16 |
| %gep17 = getelementptr inbounds i8, i8* %ptr, i64 17 |
| %gep18 = getelementptr inbounds i8, i8* %ptr, i64 18 |
| %gep19 = getelementptr inbounds i8, i8* %ptr, i64 19 |
| %gep20 = getelementptr inbounds i8, i8* %ptr, i64 20 |
| %gep21 = getelementptr inbounds i8, i8* %ptr, i64 21 |
| %gep22 = getelementptr inbounds i8, i8* %ptr, i64 22 |
| %gep23 = getelementptr inbounds i8, i8* %ptr, i64 23 |
| %gep24 = getelementptr inbounds i8, i8* %ptr, i64 24 |
| %gep25 = getelementptr inbounds i8, i8* %ptr, i64 25 |
| %gep26 = getelementptr inbounds i8, i8* %ptr, i64 26 |
| %gep27 = getelementptr inbounds i8, i8* %ptr, i64 27 |
| %gep28 = getelementptr inbounds i8, i8* %ptr, i64 28 |
| %gep29 = getelementptr inbounds i8, i8* %ptr, i64 29 |
| %gep30 = getelementptr inbounds i8, i8* %ptr, i64 30 |
| %gep31 = getelementptr inbounds i8, i8* %ptr, i64 31 |
| store i8 %ext00, i8* %gep00, align 1 |
| store i8 %ext01, i8* %gep01, align 1 |
| store i8 %ext02, i8* %gep02, align 1 |
| store i8 %ext03, i8* %gep03, align 1 |
| store i8 %ext04, i8* %gep04, align 1 |
| store i8 %ext05, i8* %gep05, align 1 |
| store i8 %ext06, i8* %gep06, align 1 |
| store i8 %ext07, i8* %gep07, align 1 |
| store i8 %ext08, i8* %gep08, align 1 |
| store i8 %ext09, i8* %gep09, align 1 |
| store i8 %ext10, i8* %gep10, align 1 |
| store i8 %ext11, i8* %gep11, align 1 |
| store i8 %ext12, i8* %gep12, align 1 |
| store i8 %ext13, i8* %gep13, align 1 |
| store i8 %ext14, i8* %gep14, align 1 |
| store i8 %ext15, i8* %gep15, align 1 |
| store i8 %ext16, i8* %gep16, align 1 |
| store i8 %ext17, i8* %gep17, align 1 |
| store i8 %ext18, i8* %gep18, align 1 |
| store i8 %ext19, i8* %gep19, align 1 |
| store i8 %ext20, i8* %gep20, align 1 |
| store i8 %ext21, i8* %gep21, align 1 |
| store i8 %ext22, i8* %gep22, align 1 |
| store i8 %ext23, i8* %gep23, align 1 |
| store i8 %ext24, i8* %gep24, align 1 |
| store i8 %ext25, i8* %gep25, align 1 |
| store i8 %ext26, i8* %gep26, align 1 |
| store i8 %ext27, i8* %gep27, align 1 |
| store i8 %ext28, i8* %gep28, align 1 |
| store i8 %ext29, i8* %gep29, align 1 |
| store i8 %ext30, i8* %gep30, align 1 |
| store i8 %ext31, i8* %gep31, align 1 |
| ret void |
| } |
| |