Files
clang-p2996/llvm/test/CodeGen/AArch64/select-constant-xor.ll
Harvin Iriawan db158c7c83 [AArch64] Update generic sched model to A510
Refresh of the generic scheduling model to use A510 instead of A55.
  Main benefits are to the little core, and introducing SVE scheduling information.
  Changes tested on various OoO cores, no performance degradation is seen.

  Differential Revision: https://reviews.llvm.org/D156799
2023-08-21 12:25:15 +01:00

213 lines
5.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-elf %s -o - | FileCheck %s
define i32 @xori64i32(i64 %a) {
; CHECK-LABEL: xori64i32:
; CHECK: // %bb.0:
; CHECK-NEXT: asr x8, x0, #63
; CHECK-NEXT: eor w0, w8, #0x7fffffff
; CHECK-NEXT: ret
%shr4 = ashr i64 %a, 63
%conv5 = trunc i64 %shr4 to i32
%xor = xor i32 %conv5, 2147483647
ret i32 %xor
}
define i64 @selecti64i64(i64 %a) {
; CHECK-LABEL: selecti64i64:
; CHECK: // %bb.0:
; CHECK-NEXT: asr x8, x0, #63
; CHECK-NEXT: eor x0, x8, #0x7fffffff
; CHECK-NEXT: ret
%c = icmp sgt i64 %a, -1
%s = select i1 %c, i64 2147483647, i64 -2147483648
ret i64 %s
}
define i32 @selecti64i32(i64 %a) {
; CHECK-LABEL: selecti64i32:
; CHECK: // %bb.0:
; CHECK-NEXT: asr x8, x0, #63
; CHECK-NEXT: eor w0, w8, #0x7fffffff
; CHECK-NEXT: ret
%c = icmp sgt i64 %a, -1
%s = select i1 %c, i32 2147483647, i32 -2147483648
ret i32 %s
}
define i64 @selecti32i64(i32 %a) {
; CHECK-LABEL: selecti32i64:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: sbfx x8, x0, #31, #1
; CHECK-NEXT: eor x0, x8, #0x7fffffff
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i64 2147483647, i64 -2147483648
ret i64 %s
}
define i8 @xori32i8(i32 %a) {
; CHECK-LABEL: xori32i8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #84 // =0x54
; CHECK-NEXT: eor w0, w8, w0, asr #31
; CHECK-NEXT: ret
%shr4 = ashr i32 %a, 31
%conv5 = trunc i32 %shr4 to i8
%xor = xor i8 %conv5, 84
ret i8 %xor
}
define i32 @selecti32i32(i32 %a) {
; CHECK-LABEL: selecti32i32:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #84 // =0x54
; CHECK-NEXT: eor w0, w8, w0, asr #31
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i32 84, i32 -85
ret i32 %s
}
define i8 @selecti32i8(i32 %a) {
; CHECK-LABEL: selecti32i8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #84 // =0x54
; CHECK-NEXT: eor w0, w8, w0, asr #31
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i8 84, i8 -85
ret i8 %s
}
define i32 @selecti8i32(i8 %a) {
; CHECK-LABEL: selecti8i32:
; CHECK: // %bb.0:
; CHECK-NEXT: sxtb w8, w0
; CHECK-NEXT: mov w9, #84 // =0x54
; CHECK-NEXT: eor w0, w9, w8, asr #7
; CHECK-NEXT: ret
%c = icmp sgt i8 %a, -1
%s = select i1 %c, i32 84, i32 -85
ret i32 %s
}
define i32 @icmpasreq(i32 %input, i32 %a, i32 %b) {
; CHECK-LABEL: icmpasreq:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, #0
; CHECK-NEXT: csel w0, w1, w2, lt
; CHECK-NEXT: ret
%sh = ashr i32 %input, 31
%c = icmp eq i32 %sh, -1
%s = select i1 %c, i32 %a, i32 %b
ret i32 %s
}
define i32 @icmpasrne(i32 %input, i32 %a, i32 %b) {
; CHECK-LABEL: icmpasrne:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, #0
; CHECK-NEXT: csel w0, w1, w2, ge
; CHECK-NEXT: ret
%sh = ashr i32 %input, 31
%c = icmp ne i32 %sh, -1
%s = select i1 %c, i32 %a, i32 %b
ret i32 %s
}
define i32 @selecti32i32_0(i32 %a) {
; CHECK-LABEL: selecti32i32_0:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w0, w0, #31
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i32 0, i32 -1
ret i32 %s
}
define i32 @selecti32i32_m1(i32 %a) {
; CHECK-LABEL: selecti32i32_m1:
; CHECK: // %bb.0:
; CHECK-NEXT: mvn w8, w0
; CHECK-NEXT: asr w0, w8, #31
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i32 -1, i32 0
ret i32 %s
}
define i32 @selecti32i32_1(i32 %a) {
; CHECK-LABEL: selecti32i32_1:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: eor w0, w8, #0x1
; CHECK-NEXT: ret
%c = icmp sgt i32 %a, -1
%s = select i1 %c, i32 1, i32 -2
ret i32 %s
}
define i32 @selecti32i32_sge(i32 %a) {
; CHECK-LABEL: selecti32i32_sge:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: eor w0, w8, #0xc
; CHECK-NEXT: ret
%c = icmp sge i32 %a, 0
%s = select i1 %c, i32 12, i32 -13
ret i32 %s
}
define i32 @selecti32i32_slt(i32 %a) {
; CHECK-LABEL: selecti32i32_slt:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: eor w0, w8, #0xc
; CHECK-NEXT: ret
%c = icmp slt i32 %a, 0
%s = select i1 %c, i32 -13, i32 12
ret i32 %s
}
define i32 @selecti32i32_sle(i32 %a) {
; CHECK-LABEL: selecti32i32_sle:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: eor w0, w8, #0xc
; CHECK-NEXT: ret
%c = icmp sle i32 %a, -1
%s = select i1 %c, i32 -13, i32 12
ret i32 %s
}
define i32 @selecti32i32_sgt(i32 %a) {
; CHECK-LABEL: selecti32i32_sgt:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: eor w0, w8, #0xc
; CHECK-NEXT: ret
%c = icmp sle i32 %a, -1
%s = select i1 %c, i32 -13, i32 12
ret i32 %s
}
define i32 @oneusecmp(i32 %a, i32 %b, i32 %d) {
; CHECK-LABEL: oneusecmp:
; CHECK: // %bb.0:
; CHECK-NEXT: asr w8, w0, #31
; CHECK-NEXT: cmp w0, #0
; CHECK-NEXT: csel w9, w2, w1, lt
; CHECK-NEXT: eor w8, w8, #0x7f
; CHECK-NEXT: add w0, w8, w9
; CHECK-NEXT: ret
%c = icmp sle i32 %a, -1
%s = select i1 %c, i32 -128, i32 127
%s2 = select i1 %c, i32 %d, i32 %b
%x = add i32 %s, %s2
ret i32 %x
}