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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64 -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD
; RUN: llc -mtriple=aarch64 -global-isel -global-isel-abort=2 -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
define i64 @APlusC1MinusC2(i64 %a) {
; CHECK-LABEL: APlusC1MinusC2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: sub x0, x0, #1
; CHECK-NEXT: ret
entry:
; fold (A+C1)-C2 -> A+(C1-C2)
%add1 = add i64 %a, 5
%sub1 = sub i64 %add1, 6
ret i64 %sub1
}
define i64 @C2MinusAPlusC1(i64 %a) {
; CHECK-LABEL: C2MinusAPlusC1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #3 // =0x3
; CHECK-NEXT: sub x0, x8, x0
; CHECK-NEXT: ret
entry:
; fold C2-(A+C1) -> (C2-C1)-A
%add1 = add i64 %a, 6
%sub1 = sub i64 9, %add1
ret i64 %sub1
}
define i64 @AMinusC1MinusC2(i64 %a) {
; CHECK-LABEL: AMinusC1MinusC2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: sub x0, x0, #15
; CHECK-NEXT: ret
entry:
; fold (A-C1)-C2 -> A-(C1+C2)
%sub2 = sub i64 %a, 6
%sub1 = sub i64 %sub2, 9
ret i64 %sub1
}
define i64 @C1Minus2MinusC2(i64 %a) {
; CHECK-LABEL: C1Minus2MinusC2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #3 // =0x3
; CHECK-NEXT: sub x0, x8, x0
; CHECK-NEXT: ret
entry:
; fold (C1-A)-C2 -> (C1-C2)-A
%sub2 = sub i64 14, %a
%sub1 = sub i64 %sub2, 11
ret i64 %sub1
}
define i64 @AMinusC2PlusC2(i64 %a) {
; CHECK-LABEL: AMinusC2PlusC2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: sub x0, x0, #4
; CHECK-NEXT: ret
entry:
; fold ((A-C1)+C2) -> (A+(C2-C1))
%sub1 = sub i64 %a, 21
%add1 = add i64 %sub1, 17
ret i64 %add1
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-GI: {{.*}}
; CHECK-SD: {{.*}}
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