| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,SLOW,SLOWBASE,RV32I %s |
| ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,SLOW,SLOWBASE,RV64I %s |
| ; RUN: llc -mtriple=riscv32 -mattr=+zbkb -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,SLOW,SLOWZBKB,RV32IZBKB %s |
| ; RUN: llc -mtriple=riscv64 -mattr=+zbkb -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,SLOW,SLOWZBKB,RV64IZBKB %s |
| ; RUN: llc -mtriple=riscv32 -mattr=+unaligned-scalar-mem -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,FAST,RV32I-FAST %s |
| ; RUN: llc -mtriple=riscv64 -mattr=+unaligned-scalar-mem -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefixes=ALL,FAST,RV64I-FAST %s |
| |
| ; A collection of cases showing codegen for unaligned loads and stores |
| |
| define i8 @load_i8(ptr %p) { |
| ; ALL-LABEL: load_i8: |
| ; ALL: # %bb.0: |
| ; ALL-NEXT: lbu a0, 0(a0) |
| ; ALL-NEXT: ret |
| %res = load i8, ptr %p, align 1 |
| ret i8 %res |
| } |
| |
| define i16 @load_i16(ptr %p) { |
| ; SLOW-LABEL: load_i16: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: lbu a1, 1(a0) |
| ; SLOW-NEXT: lbu a0, 0(a0) |
| ; SLOW-NEXT: slli a1, a1, 8 |
| ; SLOW-NEXT: or a0, a1, a0 |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: load_i16: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: lh a0, 0(a0) |
| ; FAST-NEXT: ret |
| %res = load i16, ptr %p, align 1 |
| ret i16 %res |
| } |
| |
| define i24 @load_i24(ptr %p) { |
| ; SLOWBASE-LABEL: load_i24: |
| ; SLOWBASE: # %bb.0: |
| ; SLOWBASE-NEXT: lbu a1, 1(a0) |
| ; SLOWBASE-NEXT: lbu a2, 0(a0) |
| ; SLOWBASE-NEXT: lbu a0, 2(a0) |
| ; SLOWBASE-NEXT: slli a1, a1, 8 |
| ; SLOWBASE-NEXT: or a1, a1, a2 |
| ; SLOWBASE-NEXT: slli a0, a0, 16 |
| ; SLOWBASE-NEXT: or a0, a1, a0 |
| ; SLOWBASE-NEXT: ret |
| ; |
| ; RV32IZBKB-LABEL: load_i24: |
| ; RV32IZBKB: # %bb.0: |
| ; RV32IZBKB-NEXT: lbu a1, 0(a0) |
| ; RV32IZBKB-NEXT: lbu a2, 1(a0) |
| ; RV32IZBKB-NEXT: lbu a0, 2(a0) |
| ; RV32IZBKB-NEXT: packh a1, a1, a2 |
| ; RV32IZBKB-NEXT: pack a0, a1, a0 |
| ; RV32IZBKB-NEXT: ret |
| ; |
| ; RV64IZBKB-LABEL: load_i24: |
| ; RV64IZBKB: # %bb.0: |
| ; RV64IZBKB-NEXT: lbu a1, 0(a0) |
| ; RV64IZBKB-NEXT: lbu a2, 1(a0) |
| ; RV64IZBKB-NEXT: lbu a0, 2(a0) |
| ; RV64IZBKB-NEXT: packh a1, a1, a2 |
| ; RV64IZBKB-NEXT: slli a0, a0, 16 |
| ; RV64IZBKB-NEXT: or a0, a1, a0 |
| ; RV64IZBKB-NEXT: ret |
| ; |
| ; FAST-LABEL: load_i24: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: lbu a1, 2(a0) |
| ; FAST-NEXT: lhu a0, 0(a0) |
| ; FAST-NEXT: slli a1, a1, 16 |
| ; FAST-NEXT: or a0, a0, a1 |
| ; FAST-NEXT: ret |
| %res = load i24, ptr %p, align 1 |
| ret i24 %res |
| } |
| |
| define i32 @load_i32(ptr %p) { |
| ; SLOWBASE-LABEL: load_i32: |
| ; SLOWBASE: # %bb.0: |
| ; SLOWBASE-NEXT: lbu a1, 1(a0) |
| ; SLOWBASE-NEXT: lbu a2, 0(a0) |
| ; SLOWBASE-NEXT: lbu a3, 2(a0) |
| ; SLOWBASE-NEXT: lbu a0, 3(a0) |
| ; SLOWBASE-NEXT: slli a1, a1, 8 |
| ; SLOWBASE-NEXT: or a1, a1, a2 |
| ; SLOWBASE-NEXT: slli a3, a3, 16 |
| ; SLOWBASE-NEXT: slli a0, a0, 24 |
| ; SLOWBASE-NEXT: or a0, a0, a3 |
| ; SLOWBASE-NEXT: or a0, a0, a1 |
| ; SLOWBASE-NEXT: ret |
| ; |
| ; RV32IZBKB-LABEL: load_i32: |
| ; RV32IZBKB: # %bb.0: |
| ; RV32IZBKB-NEXT: lbu a1, 1(a0) |
| ; RV32IZBKB-NEXT: lbu a2, 2(a0) |
| ; RV32IZBKB-NEXT: lbu a3, 3(a0) |
| ; RV32IZBKB-NEXT: lbu a0, 0(a0) |
| ; RV32IZBKB-NEXT: packh a2, a2, a3 |
| ; RV32IZBKB-NEXT: packh a0, a0, a1 |
| ; RV32IZBKB-NEXT: pack a0, a0, a2 |
| ; RV32IZBKB-NEXT: ret |
| ; |
| ; RV64IZBKB-LABEL: load_i32: |
| ; RV64IZBKB: # %bb.0: |
| ; RV64IZBKB-NEXT: lbu a1, 0(a0) |
| ; RV64IZBKB-NEXT: lbu a2, 1(a0) |
| ; RV64IZBKB-NEXT: lbu a3, 2(a0) |
| ; RV64IZBKB-NEXT: lbu a0, 3(a0) |
| ; RV64IZBKB-NEXT: packh a1, a1, a2 |
| ; RV64IZBKB-NEXT: slli a3, a3, 16 |
| ; RV64IZBKB-NEXT: slli a0, a0, 24 |
| ; RV64IZBKB-NEXT: or a0, a0, a3 |
| ; RV64IZBKB-NEXT: or a0, a0, a1 |
| ; RV64IZBKB-NEXT: ret |
| ; |
| ; FAST-LABEL: load_i32: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: lw a0, 0(a0) |
| ; FAST-NEXT: ret |
| %res = load i32, ptr %p, align 1 |
| ret i32 %res |
| } |
| |
| define i64 @load_i64(ptr %p) { |
| ; RV32I-LABEL: load_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lbu a1, 1(a0) |
| ; RV32I-NEXT: lbu a2, 2(a0) |
| ; RV32I-NEXT: lbu a3, 3(a0) |
| ; RV32I-NEXT: lbu a4, 0(a0) |
| ; RV32I-NEXT: slli a1, a1, 8 |
| ; RV32I-NEXT: slli a2, a2, 16 |
| ; RV32I-NEXT: slli a3, a3, 24 |
| ; RV32I-NEXT: or a1, a1, a4 |
| ; RV32I-NEXT: lbu a4, 4(a0) |
| ; RV32I-NEXT: lbu a5, 5(a0) |
| ; RV32I-NEXT: or a2, a3, a2 |
| ; RV32I-NEXT: lbu a3, 6(a0) |
| ; RV32I-NEXT: lbu a0, 7(a0) |
| ; RV32I-NEXT: slli a5, a5, 8 |
| ; RV32I-NEXT: or a4, a5, a4 |
| ; RV32I-NEXT: slli a3, a3, 16 |
| ; RV32I-NEXT: slli a0, a0, 24 |
| ; RV32I-NEXT: or a3, a0, a3 |
| ; RV32I-NEXT: or a0, a2, a1 |
| ; RV32I-NEXT: or a1, a3, a4 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: load_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lbu a1, 1(a0) |
| ; RV64I-NEXT: lbu a2, 2(a0) |
| ; RV64I-NEXT: lbu a3, 3(a0) |
| ; RV64I-NEXT: lbu a4, 0(a0) |
| ; RV64I-NEXT: slli a1, a1, 8 |
| ; RV64I-NEXT: slli a2, a2, 16 |
| ; RV64I-NEXT: slli a3, a3, 24 |
| ; RV64I-NEXT: or a1, a1, a4 |
| ; RV64I-NEXT: lbu a4, 4(a0) |
| ; RV64I-NEXT: lbu a5, 5(a0) |
| ; RV64I-NEXT: or a2, a3, a2 |
| ; RV64I-NEXT: lbu a3, 6(a0) |
| ; RV64I-NEXT: lbu a0, 7(a0) |
| ; RV64I-NEXT: slli a5, a5, 8 |
| ; RV64I-NEXT: or a4, a5, a4 |
| ; RV64I-NEXT: slli a3, a3, 16 |
| ; RV64I-NEXT: slli a0, a0, 24 |
| ; RV64I-NEXT: or a0, a0, a3 |
| ; RV64I-NEXT: or a1, a2, a1 |
| ; RV64I-NEXT: or a0, a0, a4 |
| ; RV64I-NEXT: slli a0, a0, 32 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV32IZBKB-LABEL: load_i64: |
| ; RV32IZBKB: # %bb.0: |
| ; RV32IZBKB-NEXT: lbu a1, 0(a0) |
| ; RV32IZBKB-NEXT: lbu a2, 1(a0) |
| ; RV32IZBKB-NEXT: lbu a3, 2(a0) |
| ; RV32IZBKB-NEXT: lbu a4, 3(a0) |
| ; RV32IZBKB-NEXT: lbu a5, 5(a0) |
| ; RV32IZBKB-NEXT: lbu a6, 6(a0) |
| ; RV32IZBKB-NEXT: lbu a7, 7(a0) |
| ; RV32IZBKB-NEXT: lbu a0, 4(a0) |
| ; RV32IZBKB-NEXT: packh a3, a3, a4 |
| ; RV32IZBKB-NEXT: packh a1, a1, a2 |
| ; RV32IZBKB-NEXT: packh a2, a6, a7 |
| ; RV32IZBKB-NEXT: packh a4, a0, a5 |
| ; RV32IZBKB-NEXT: pack a0, a1, a3 |
| ; RV32IZBKB-NEXT: pack a1, a4, a2 |
| ; RV32IZBKB-NEXT: ret |
| ; |
| ; RV64IZBKB-LABEL: load_i64: |
| ; RV64IZBKB: # %bb.0: |
| ; RV64IZBKB-NEXT: lbu a1, 4(a0) |
| ; RV64IZBKB-NEXT: lbu a2, 5(a0) |
| ; RV64IZBKB-NEXT: lbu a3, 6(a0) |
| ; RV64IZBKB-NEXT: lbu a4, 7(a0) |
| ; RV64IZBKB-NEXT: lbu a5, 0(a0) |
| ; RV64IZBKB-NEXT: lbu a6, 1(a0) |
| ; RV64IZBKB-NEXT: lbu a7, 2(a0) |
| ; RV64IZBKB-NEXT: lbu a0, 3(a0) |
| ; RV64IZBKB-NEXT: packh a1, a1, a2 |
| ; RV64IZBKB-NEXT: packh a2, a3, a4 |
| ; RV64IZBKB-NEXT: packh a3, a5, a6 |
| ; RV64IZBKB-NEXT: packh a0, a7, a0 |
| ; RV64IZBKB-NEXT: slli a2, a2, 16 |
| ; RV64IZBKB-NEXT: slli a0, a0, 16 |
| ; RV64IZBKB-NEXT: or a1, a2, a1 |
| ; RV64IZBKB-NEXT: or a0, a0, a3 |
| ; RV64IZBKB-NEXT: pack a0, a0, a1 |
| ; RV64IZBKB-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: load_i64: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: lw a2, 0(a0) |
| ; RV32I-FAST-NEXT: lw a1, 4(a0) |
| ; RV32I-FAST-NEXT: mv a0, a2 |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: load_i64: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: ld a0, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| %res = load i64, ptr %p, align 1 |
| ret i64 %res |
| } |
| |
| define void @store_i8(ptr %p, i8 %v) { |
| ; ALL-LABEL: store_i8: |
| ; ALL: # %bb.0: |
| ; ALL-NEXT: sb a1, 0(a0) |
| ; ALL-NEXT: ret |
| store i8 %v, ptr %p, align 1 |
| ret void |
| } |
| |
| define void @store_i16(ptr %p, i16 %v) { |
| ; SLOW-LABEL: store_i16: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: srli a2, a1, 8 |
| ; SLOW-NEXT: sb a1, 0(a0) |
| ; SLOW-NEXT: sb a2, 1(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: store_i16: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: sh a1, 0(a0) |
| ; FAST-NEXT: ret |
| store i16 %v, ptr %p, align 1 |
| ret void |
| } |
| |
| define void @store_i24(ptr %p, i24 %v) { |
| ; SLOW-LABEL: store_i24: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: srli a2, a1, 8 |
| ; SLOW-NEXT: srli a3, a1, 16 |
| ; SLOW-NEXT: sb a1, 0(a0) |
| ; SLOW-NEXT: sb a2, 1(a0) |
| ; SLOW-NEXT: sb a3, 2(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: store_i24: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: srli a2, a1, 16 |
| ; FAST-NEXT: sh a1, 0(a0) |
| ; FAST-NEXT: sb a2, 2(a0) |
| ; FAST-NEXT: ret |
| store i24 %v, ptr %p, align 1 |
| ret void |
| } |
| |
| define void @store_i32(ptr %p, i32 %v) { |
| ; SLOW-LABEL: store_i32: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: srli a2, a1, 24 |
| ; SLOW-NEXT: srli a3, a1, 16 |
| ; SLOW-NEXT: srli a4, a1, 8 |
| ; SLOW-NEXT: sb a1, 0(a0) |
| ; SLOW-NEXT: sb a4, 1(a0) |
| ; SLOW-NEXT: sb a3, 2(a0) |
| ; SLOW-NEXT: sb a2, 3(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: store_i32: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: sw a1, 0(a0) |
| ; FAST-NEXT: ret |
| store i32 %v, ptr %p, align 1 |
| ret void |
| } |
| |
| define void @store_i64(ptr %p, i64 %v) { |
| ; RV32I-LABEL: store_i64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: srli a3, a2, 24 |
| ; RV32I-NEXT: srli a4, a2, 16 |
| ; RV32I-NEXT: srli a5, a2, 8 |
| ; RV32I-NEXT: srli a6, a1, 24 |
| ; RV32I-NEXT: srli a7, a1, 16 |
| ; RV32I-NEXT: sb a2, 4(a0) |
| ; RV32I-NEXT: sb a5, 5(a0) |
| ; RV32I-NEXT: sb a4, 6(a0) |
| ; RV32I-NEXT: sb a3, 7(a0) |
| ; RV32I-NEXT: srli a2, a1, 8 |
| ; RV32I-NEXT: sb a1, 0(a0) |
| ; RV32I-NEXT: sb a2, 1(a0) |
| ; RV32I-NEXT: sb a7, 2(a0) |
| ; RV32I-NEXT: sb a6, 3(a0) |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: store_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srli a2, a1, 56 |
| ; RV64I-NEXT: srli a3, a1, 48 |
| ; RV64I-NEXT: srli a4, a1, 40 |
| ; RV64I-NEXT: srli a5, a1, 32 |
| ; RV64I-NEXT: srli a6, a1, 24 |
| ; RV64I-NEXT: srli a7, a1, 16 |
| ; RV64I-NEXT: sb a5, 4(a0) |
| ; RV64I-NEXT: sb a4, 5(a0) |
| ; RV64I-NEXT: sb a3, 6(a0) |
| ; RV64I-NEXT: sb a2, 7(a0) |
| ; RV64I-NEXT: srli a2, a1, 8 |
| ; RV64I-NEXT: sb a1, 0(a0) |
| ; RV64I-NEXT: sb a2, 1(a0) |
| ; RV64I-NEXT: sb a7, 2(a0) |
| ; RV64I-NEXT: sb a6, 3(a0) |
| ; RV64I-NEXT: ret |
| ; |
| ; RV32IZBKB-LABEL: store_i64: |
| ; RV32IZBKB: # %bb.0: |
| ; RV32IZBKB-NEXT: srli a3, a2, 24 |
| ; RV32IZBKB-NEXT: srli a4, a2, 16 |
| ; RV32IZBKB-NEXT: srli a5, a2, 8 |
| ; RV32IZBKB-NEXT: srli a6, a1, 24 |
| ; RV32IZBKB-NEXT: srli a7, a1, 16 |
| ; RV32IZBKB-NEXT: sb a2, 4(a0) |
| ; RV32IZBKB-NEXT: sb a5, 5(a0) |
| ; RV32IZBKB-NEXT: sb a4, 6(a0) |
| ; RV32IZBKB-NEXT: sb a3, 7(a0) |
| ; RV32IZBKB-NEXT: srli a2, a1, 8 |
| ; RV32IZBKB-NEXT: sb a1, 0(a0) |
| ; RV32IZBKB-NEXT: sb a2, 1(a0) |
| ; RV32IZBKB-NEXT: sb a7, 2(a0) |
| ; RV32IZBKB-NEXT: sb a6, 3(a0) |
| ; RV32IZBKB-NEXT: ret |
| ; |
| ; RV64IZBKB-LABEL: store_i64: |
| ; RV64IZBKB: # %bb.0: |
| ; RV64IZBKB-NEXT: srli a2, a1, 56 |
| ; RV64IZBKB-NEXT: srli a3, a1, 48 |
| ; RV64IZBKB-NEXT: srli a4, a1, 40 |
| ; RV64IZBKB-NEXT: srli a5, a1, 32 |
| ; RV64IZBKB-NEXT: srli a6, a1, 24 |
| ; RV64IZBKB-NEXT: srli a7, a1, 16 |
| ; RV64IZBKB-NEXT: sb a5, 4(a0) |
| ; RV64IZBKB-NEXT: sb a4, 5(a0) |
| ; RV64IZBKB-NEXT: sb a3, 6(a0) |
| ; RV64IZBKB-NEXT: sb a2, 7(a0) |
| ; RV64IZBKB-NEXT: srli a2, a1, 8 |
| ; RV64IZBKB-NEXT: sb a1, 0(a0) |
| ; RV64IZBKB-NEXT: sb a2, 1(a0) |
| ; RV64IZBKB-NEXT: sb a7, 2(a0) |
| ; RV64IZBKB-NEXT: sb a6, 3(a0) |
| ; RV64IZBKB-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: store_i64: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: sw a1, 0(a0) |
| ; RV32I-FAST-NEXT: sw a2, 4(a0) |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: store_i64: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: sd a1, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| store i64 %v, ptr %p, align 1 |
| ret void |
| } |
| |
| define void @merge_stores_i8_i16(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i8_i16: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sb zero, 0(a0) |
| ; SLOW-NEXT: sb zero, 1(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: merge_stores_i8_i16: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: sh zero, 0(a0) |
| ; FAST-NEXT: ret |
| store i8 0, ptr %p |
| %p2 = getelementptr i8, ptr %p, i32 1 |
| store i8 0, ptr %p2 |
| ret void |
| } |
| |
| define void @merge_stores_i8_i32(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i8_i32: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sb zero, 0(a0) |
| ; SLOW-NEXT: sb zero, 1(a0) |
| ; SLOW-NEXT: sb zero, 2(a0) |
| ; SLOW-NEXT: sb zero, 3(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: merge_stores_i8_i32: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: sw zero, 0(a0) |
| ; FAST-NEXT: ret |
| store i8 0, ptr %p |
| %p2 = getelementptr i8, ptr %p, i32 1 |
| store i8 0, ptr %p2 |
| %p3 = getelementptr i8, ptr %p, i32 2 |
| store i8 0, ptr %p3 |
| %p4 = getelementptr i8, ptr %p, i32 3 |
| store i8 0, ptr %p4 |
| ret void |
| } |
| |
| define void @merge_stores_i8_i64(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i8_i64: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sb zero, 0(a0) |
| ; SLOW-NEXT: sb zero, 1(a0) |
| ; SLOW-NEXT: sb zero, 2(a0) |
| ; SLOW-NEXT: sb zero, 3(a0) |
| ; SLOW-NEXT: sb zero, 4(a0) |
| ; SLOW-NEXT: sb zero, 5(a0) |
| ; SLOW-NEXT: sb zero, 6(a0) |
| ; SLOW-NEXT: sb zero, 7(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: merge_stores_i8_i64: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: sw zero, 0(a0) |
| ; RV32I-FAST-NEXT: sw zero, 4(a0) |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: merge_stores_i8_i64: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: sd zero, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| store i8 0, ptr %p |
| %p2 = getelementptr i8, ptr %p, i32 1 |
| store i8 0, ptr %p2 |
| %p3 = getelementptr i8, ptr %p, i32 2 |
| store i8 0, ptr %p3 |
| %p4 = getelementptr i8, ptr %p, i32 3 |
| store i8 0, ptr %p4 |
| %p5 = getelementptr i8, ptr %p, i32 4 |
| store i8 0, ptr %p5 |
| %p6 = getelementptr i8, ptr %p, i32 5 |
| store i8 0, ptr %p6 |
| %p7 = getelementptr i8, ptr %p, i32 6 |
| store i8 0, ptr %p7 |
| %p8 = getelementptr i8, ptr %p, i32 7 |
| store i8 0, ptr %p8 |
| ret void |
| } |
| |
| define void @merge_stores_i16_i32(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i16_i32: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sh zero, 0(a0) |
| ; SLOW-NEXT: sh zero, 2(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; FAST-LABEL: merge_stores_i16_i32: |
| ; FAST: # %bb.0: |
| ; FAST-NEXT: sw zero, 0(a0) |
| ; FAST-NEXT: ret |
| store i16 0, ptr %p |
| %p2 = getelementptr i16, ptr %p, i32 1 |
| store i16 0, ptr %p2 |
| ret void |
| } |
| |
| define void @merge_stores_i16_i64(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i16_i64: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sh zero, 0(a0) |
| ; SLOW-NEXT: sh zero, 2(a0) |
| ; SLOW-NEXT: sh zero, 4(a0) |
| ; SLOW-NEXT: sh zero, 6(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: merge_stores_i16_i64: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: sw zero, 0(a0) |
| ; RV32I-FAST-NEXT: sw zero, 4(a0) |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: merge_stores_i16_i64: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: sd zero, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| store i16 0, ptr %p |
| %p2 = getelementptr i16, ptr %p, i32 1 |
| store i16 0, ptr %p2 |
| %p3 = getelementptr i16, ptr %p, i32 2 |
| store i16 0, ptr %p3 |
| %p4 = getelementptr i16, ptr %p, i32 3 |
| store i16 0, ptr %p4 |
| ret void |
| } |
| |
| define void @merge_stores_i32_i64(ptr %p) { |
| ; SLOW-LABEL: merge_stores_i32_i64: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: sw zero, 0(a0) |
| ; SLOW-NEXT: sw zero, 4(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: merge_stores_i32_i64: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: sw zero, 0(a0) |
| ; RV32I-FAST-NEXT: sw zero, 4(a0) |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: merge_stores_i32_i64: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: sd zero, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| store i32 0, ptr %p |
| %p2 = getelementptr i32, ptr %p, i32 1 |
| store i32 0, ptr %p2 |
| ret void |
| } |
| |
| define void @store_large_constant(ptr %x) { |
| ; SLOW-LABEL: store_large_constant: |
| ; SLOW: # %bb.0: |
| ; SLOW-NEXT: li a1, -2 |
| ; SLOW-NEXT: li a2, 220 |
| ; SLOW-NEXT: li a3, 186 |
| ; SLOW-NEXT: li a4, 152 |
| ; SLOW-NEXT: li a5, 118 |
| ; SLOW-NEXT: li a6, 84 |
| ; SLOW-NEXT: li a7, 50 |
| ; SLOW-NEXT: sb a4, 4(a0) |
| ; SLOW-NEXT: sb a3, 5(a0) |
| ; SLOW-NEXT: sb a2, 6(a0) |
| ; SLOW-NEXT: sb a1, 7(a0) |
| ; SLOW-NEXT: li a1, 16 |
| ; SLOW-NEXT: sb a1, 0(a0) |
| ; SLOW-NEXT: sb a7, 1(a0) |
| ; SLOW-NEXT: sb a6, 2(a0) |
| ; SLOW-NEXT: sb a5, 3(a0) |
| ; SLOW-NEXT: ret |
| ; |
| ; RV32I-FAST-LABEL: store_large_constant: |
| ; RV32I-FAST: # %bb.0: |
| ; RV32I-FAST-NEXT: lui a1, 1043916 |
| ; RV32I-FAST-NEXT: lui a2, 484675 |
| ; RV32I-FAST-NEXT: addi a1, a1, -1384 |
| ; RV32I-FAST-NEXT: addi a2, a2, 528 |
| ; RV32I-FAST-NEXT: sw a2, 0(a0) |
| ; RV32I-FAST-NEXT: sw a1, 4(a0) |
| ; RV32I-FAST-NEXT: ret |
| ; |
| ; RV64I-FAST-LABEL: store_large_constant: |
| ; RV64I-FAST: # %bb.0: |
| ; RV64I-FAST-NEXT: lui a1, %hi(.LCPI16_0) |
| ; RV64I-FAST-NEXT: ld a1, %lo(.LCPI16_0)(a1) |
| ; RV64I-FAST-NEXT: sd a1, 0(a0) |
| ; RV64I-FAST-NEXT: ret |
| store i64 18364758544493064720, ptr %x, align 1 |
| ret void |
| } |
| ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| ; SLOWZBKB: {{.*}} |
