352 lines
10 KiB
LLVM
352 lines
10 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=thumbv8m.main %s -o - | FileCheck %s --check-prefix=CHECK-V8M
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; RUN: llc -mtriple=armv8 %s -o - | FileCheck %s --check-prefix=CHECK-V8A
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define i32* @pre_inc_ldr(i32* %base, i32 %a) {
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; CHECK-V8M-LABEL: pre_inc_ldr:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r2, [r0, #4]!
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #4]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_inc_ldr:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r2, [r0, #4]!
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; CHECK-V8A-NEXT: add r1, r2, r1
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; CHECK-V8A-NEXT: str r1, [r0, #4]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 1
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%ld = load i32, i32* %addr
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%addr.1 = getelementptr i32, i32* %base, i32 2
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%res = add i32 %ld, %a
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store i32 %res, i32* %addr.1
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ret i32* %addr
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}
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define i32* @pre_dec_ldr(i32* %base, i32 %a) {
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; CHECK-V8M-LABEL: pre_dec_ldr:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r2, [r0, #-4]!
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #12]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_dec_ldr:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r2, [r0, #-4]!
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; CHECK-V8A-NEXT: add r1, r2, r1
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; CHECK-V8A-NEXT: str r1, [r0, #12]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 -1
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%ld = load i32, i32* %addr
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%addr.1 = getelementptr i32, i32* %base, i32 2
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%res = add i32 %ld, %a
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store i32 %res, i32* %addr.1
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ret i32* %addr
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}
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define i32* @post_inc_ldr(i32* %base, i32* %addr.2, i32 %a) {
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; CHECK-V8M-LABEL: post_inc_ldr:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r3, [r0], #4
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; CHECK-V8M-NEXT: add r2, r3
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; CHECK-V8M-NEXT: str r2, [r1]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: post_inc_ldr:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r3, [r0], #4
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; CHECK-V8A-NEXT: add r2, r3, r2
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; CHECK-V8A-NEXT: str r2, [r1]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 0
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%ld = load i32, i32* %addr
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%res = add i32 %ld, %a
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store i32 %res, i32* %addr.2
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ret i32* %addr.1
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}
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define i32* @post_dec_ldr(i32* %base, i32* %addr.2, i32 %a) {
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; CHECK-V8M-LABEL: post_dec_ldr:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r3, [r0], #-4
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; CHECK-V8M-NEXT: add r2, r3
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; CHECK-V8M-NEXT: str r2, [r1]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: post_dec_ldr:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r3, [r0], #-4
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; CHECK-V8A-NEXT: add r2, r3, r2
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; CHECK-V8A-NEXT: str r2, [r1]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 0
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%ld = load i32, i32* %addr
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%addr.1 = getelementptr i32, i32* %base, i32 -1
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%res = add i32 %ld, %a
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store i32 %res, i32* %addr.2
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ret i32* %addr.1
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}
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define i32* @pre_inc_str(i32* %base, i32 %a, i32 %b) {
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; CHECK-V8M-LABEL: pre_inc_str:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #4]!
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_inc_str:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #4]!
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; CHECK-V8A-NEXT: bx lr
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%res = add i32 %a, %b
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store i32 %res, i32* %addr.1
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ret i32* %addr.1
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}
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define i32* @pre_dec_str(i32* %base, i32 %a, i32 %b) {
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; CHECK-V8M-LABEL: pre_dec_str:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #-4]!
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_dec_str:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #-4]!
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; CHECK-V8A-NEXT: bx lr
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%res = add i32 %a, %b
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%addr.1 = getelementptr i32, i32* %base, i32 -1
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store i32 %res, i32* %addr.1
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ret i32* %addr.1
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}
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define i32* @post_inc_str(i32* %base, i32 %a, i32 %b) {
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; CHECK-V8M-LABEL: post_inc_str:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0], #4
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: post_inc_str:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0], #4
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; CHECK-V8A-NEXT: bx lr
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%res = add i32 %a, %b
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store i32 %res, i32* %base
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ret i32* %addr.1
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}
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define i32* @post_dec_str(i32* %base, i32 %a, i32 %b) {
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; CHECK-V8M-LABEL: post_dec_str:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0], #-4
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: post_dec_str:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0], #-4
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; CHECK-V8A-NEXT: bx lr
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%addr.1 = getelementptr i32, i32* %base, i32 -1
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%res = add i32 %a, %b
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store i32 %res, i32* %base
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ret i32* %addr.1
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}
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; TODO: Generate ldrd
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define i32* @pre_inc_ldrd(i32* %base) {
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; CHECK-V8M-LABEL: pre_inc_ldrd:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r1, [r0, #4]!
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; CHECK-V8M-NEXT: ldr r2, [r0, #4]
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #8]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_inc_ldrd:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r1, [r0, #4]!
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; CHECK-V8A-NEXT: ldr r2, [r0, #4]
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #8]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 1
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%addr.1 = getelementptr i32, i32* %base, i32 2
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%addr.2 = getelementptr i32, i32* %base, i32 3
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%ld = load i32, i32* %addr
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%ld.1 = load i32, i32* %addr.1
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%res = add i32 %ld, %ld.1
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store i32 %res, i32* %addr.2
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ret i32* %addr
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}
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; TODO: Generate ldrd
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define i32* @pre_dec_ldrd(i32* %base) {
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; CHECK-V8M-LABEL: pre_dec_ldrd:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldr r1, [r0, #-4]!
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; CHECK-V8M-NEXT: ldr r2, [r0, #-4]
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #-8]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_dec_ldrd:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldr r1, [r0, #-4]!
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; CHECK-V8A-NEXT: ldr r2, [r0, #-4]
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #-8]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 -1
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%addr.1 = getelementptr i32, i32* %base, i32 -2
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%addr.2 = getelementptr i32, i32* %base, i32 -3
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%ld = load i32, i32* %addr
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%ld.1 = load i32, i32* %addr.1
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%res = add i32 %ld, %ld.1
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store i32 %res, i32* %addr.2
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ret i32* %addr
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}
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; TODO: Generate post inc
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define i32* @post_inc_ldrd(i32* %base, i32* %addr.3) {
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; CHECK-V8M-LABEL: post_inc_ldrd:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldrd r2, r3, [r0]
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; CHECK-V8M-NEXT: adds r0, #8
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; CHECK-V8M-NEXT: add r2, r3
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; CHECK-V8M-NEXT: str r2, [r1]
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: post_inc_ldrd:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldm r0, {r2, r3}
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; CHECK-V8A-NEXT: add r0, r0, #8
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; CHECK-V8A-NEXT: add r2, r2, r3
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; CHECK-V8A-NEXT: str r2, [r1]
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 0
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%ld = load i32, i32* %addr
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%ld.1 = load i32, i32* %addr.1
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%addr.2 = getelementptr i32, i32* %base, i32 2
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%res = add i32 %ld, %ld.1
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store i32 %res, i32* %addr.3
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ret i32* %addr.2
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}
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define i32* @pre_inc_str_multi(i32* %base) {
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; CHECK-V8M-LABEL: pre_inc_str_multi:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldrd r1, r2, [r0]
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #8]!
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_inc_str_multi:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldm r0, {r1, r2}
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #8]!
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 0
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%ld = load i32, i32* %addr
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%ld.1 = load i32, i32* %addr.1
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%res = add i32 %ld, %ld.1
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%addr.2 = getelementptr i32, i32* %base, i32 2
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store i32 %res, i32* %addr.2
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ret i32* %addr.2
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}
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define i32* @pre_dec_str_multi(i32* %base) {
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; CHECK-V8M-LABEL: pre_dec_str_multi:
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; CHECK-V8M: @ %bb.0:
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; CHECK-V8M-NEXT: ldrd r1, r2, [r0]
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; CHECK-V8M-NEXT: add r1, r2
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; CHECK-V8M-NEXT: str r1, [r0, #-4]!
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; CHECK-V8M-NEXT: bx lr
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;
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; CHECK-V8A-LABEL: pre_dec_str_multi:
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; CHECK-V8A: @ %bb.0:
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; CHECK-V8A-NEXT: ldm r0, {r1, r2}
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; CHECK-V8A-NEXT: add r1, r1, r2
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; CHECK-V8A-NEXT: str r1, [r0, #-4]!
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; CHECK-V8A-NEXT: bx lr
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%addr = getelementptr i32, i32* %base, i32 0
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%addr.1 = getelementptr i32, i32* %base, i32 1
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%ld = load i32, i32* %addr
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%ld.1 = load i32, i32* %addr.1
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%res = add i32 %ld, %ld.1
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%addr.2 = getelementptr i32, i32* %base, i32 -1
|
||
|
|
store i32 %res, i32* %addr.2
|
||
|
|
ret i32* %addr.2
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32* @illegal_pre_inc_store_1(i32* %base) {
|
||
|
|
; CHECK-V8M-LABEL: illegal_pre_inc_store_1:
|
||
|
|
; CHECK-V8M: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8M-NEXT: str r0, [r0, #8]
|
||
|
|
; CHECK-V8M-NEXT: adds r0, #8
|
||
|
|
; CHECK-V8M-NEXT: bx lr
|
||
|
|
;
|
||
|
|
; CHECK-V8A-LABEL: illegal_pre_inc_store_1:
|
||
|
|
; CHECK-V8A: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8A-NEXT: str r0, [r0, #8]
|
||
|
|
; CHECK-V8A-NEXT: add r0, r0, #8
|
||
|
|
; CHECK-V8A-NEXT: bx lr
|
||
|
|
entry:
|
||
|
|
%ptr.to.use = getelementptr i32, i32* %base, i32 2
|
||
|
|
%ptr.to.store = ptrtoint i32* %base to i32
|
||
|
|
store i32 %ptr.to.store, i32* %ptr.to.use, align 4
|
||
|
|
ret i32* %ptr.to.use
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32* @legal_pre_inc_store_needs_copy_1(i32* %base) {
|
||
|
|
; CHECK-V8M-LABEL: legal_pre_inc_store_needs_copy_1:
|
||
|
|
; CHECK-V8M: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8M-NEXT: add.w r1, r0, #8
|
||
|
|
; CHECK-V8M-NEXT: str r1, [r0, #8]
|
||
|
|
; CHECK-V8M-NEXT: mov r0, r1
|
||
|
|
; CHECK-V8M-NEXT: bx lr
|
||
|
|
;
|
||
|
|
; CHECK-V8A-LABEL: legal_pre_inc_store_needs_copy_1:
|
||
|
|
; CHECK-V8A: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8A-NEXT: add r1, r0, #8
|
||
|
|
; CHECK-V8A-NEXT: str r1, [r0, #8]
|
||
|
|
; CHECK-V8A-NEXT: mov r0, r1
|
||
|
|
; CHECK-V8A-NEXT: bx lr
|
||
|
|
entry:
|
||
|
|
%ptr.to.use = getelementptr i32, i32* %base, i32 2
|
||
|
|
%ptr.to.store = ptrtoint i32* %ptr.to.use to i32
|
||
|
|
store i32 %ptr.to.store, i32* %ptr.to.use, align 4
|
||
|
|
ret i32* %ptr.to.use
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32* @legal_pre_inc_store_needs_copy_2(i32 %base) {
|
||
|
|
; CHECK-V8M-LABEL: legal_pre_inc_store_needs_copy_2:
|
||
|
|
; CHECK-V8M: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8M-NEXT: str r0, [r0, #8]
|
||
|
|
; CHECK-V8M-NEXT: adds r0, #8
|
||
|
|
; CHECK-V8M-NEXT: bx lr
|
||
|
|
;
|
||
|
|
; CHECK-V8A-LABEL: legal_pre_inc_store_needs_copy_2:
|
||
|
|
; CHECK-V8A: @ %bb.0: @ %entry
|
||
|
|
; CHECK-V8A-NEXT: str r0, [r0, #8]
|
||
|
|
; CHECK-V8A-NEXT: add r0, r0, #8
|
||
|
|
; CHECK-V8A-NEXT: bx lr
|
||
|
|
entry:
|
||
|
|
%ptr = inttoptr i32 %base to i32*
|
||
|
|
%ptr.to.use = getelementptr i32, i32* %ptr, i32 2
|
||
|
|
store i32 %base, i32* %ptr.to.use, align 4
|
||
|
|
ret i32* %ptr.to.use
|
||
|
|
}
|