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llvm-mirror/test/CodeGen/AArch64/neg-abs.ll
David Green eb198d6426 [AArch64] Add extra codegen tests. NFC
This adds some extra codegen tests for abs and hadd, regenerating some
of the existing tests with updated check lines.
2021-05-20 11:32:51 +01:00

110 lines
2.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs \
; RUN: -mtriple=aarch64-unknown-unknown < %s | FileCheck %s
declare i64 @llvm.abs.i64(i64, i1 immarg)
define i64 @neg_abs64(i64 %x) {
; CHECK-LABEL: neg_abs64:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp x0, #0 // =0
; CHECK-NEXT: cneg x8, x0, mi
; CHECK-NEXT: neg x0, x8
; CHECK-NEXT: ret
%abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true)
%neg = sub nsw i64 0, %abs
ret i64 %neg
}
declare i32 @llvm.abs.i32(i32, i1 immarg)
define i32 @neg_abs32(i32 %x) {
; CHECK-LABEL: neg_abs32:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, #0 // =0
; CHECK-NEXT: cneg w8, w0, mi
; CHECK-NEXT: neg w0, w8
; CHECK-NEXT: ret
%abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true)
%neg = sub nsw i32 0, %abs
ret i32 %neg
}
declare i16 @llvm.abs.i16(i16, i1 immarg)
define i16 @neg_abs16(i16 %x) {
; CHECK-LABEL: neg_abs16:
; CHECK: // %bb.0:
; CHECK-NEXT: sbfx w8, w0, #15, #1
; CHECK-NEXT: eor w9, w0, w8
; CHECK-NEXT: sub w0, w8, w9
; CHECK-NEXT: ret
%abs = tail call i16 @llvm.abs.i16(i16 %x, i1 true)
%neg = sub nsw i16 0, %abs
ret i16 %neg
}
declare i128 @llvm.abs.i128(i128, i1 immarg)
define i128 @neg_abs128(i128 %x) {
; CHECK-LABEL: neg_abs128:
; CHECK: // %bb.0:
; CHECK-NEXT: asr x8, x1, #63
; CHECK-NEXT: eor x10, x0, x8
; CHECK-NEXT: eor x9, x1, x8
; CHECK-NEXT: subs x0, x8, x10
; CHECK-NEXT: sbcs x1, x8, x9
; CHECK-NEXT: ret
%abs = tail call i128 @llvm.abs.i128(i128 %x, i1 true)
%neg = sub nsw i128 0, %abs
ret i128 %neg
}
define i64 @abs64(i64 %x) {
; CHECK-LABEL: abs64:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp x0, #0 // =0
; CHECK-NEXT: cneg x0, x0, mi
; CHECK-NEXT: ret
%abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true)
ret i64 %abs
}
define i32 @abs32(i32 %x) {
; CHECK-LABEL: abs32:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, #0 // =0
; CHECK-NEXT: cneg w0, w0, mi
; CHECK-NEXT: ret
%abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true)
ret i32 %abs
}
define i16 @abs16(i16 %x) {
; CHECK-LABEL: abs16:
; CHECK: // %bb.0:
; CHECK-NEXT: sxth w8, w0
; CHECK-NEXT: cmp w8, #0 // =0
; CHECK-NEXT: cneg w0, w8, mi
; CHECK-NEXT: ret
%abs = tail call i16 @llvm.abs.i16(i16 %x, i1 true)
ret i16 %abs
}
define i128 @abs128(i128 %x) {
; CHECK-LABEL: abs128:
; CHECK: // %bb.0:
; CHECK-NEXT: negs x8, x0
; CHECK-NEXT: ngcs x9, x1
; CHECK-NEXT: cmp x1, #0 // =0
; CHECK-NEXT: csel x0, x8, x0, lt
; CHECK-NEXT: csel x1, x9, x1, lt
; CHECK-NEXT: ret
%abs = tail call i128 @llvm.abs.i128(i128 %x, i1 true)
ret i128 %abs
}