forked from OSchip/llvm-project
80 lines
2.1 KiB
LLVM
80 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=aarch64-none-none-eabi %s -o - | FileCheck %s
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define i32 @neg_select_neg(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: neg_select_neg:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: csel w0, w0, w1, ne
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; CHECK-NEXT: ret
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%nega = sub i32 0, %a
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%negb = sub i32 0, %b
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%sel = select i1 %bb, i32 %nega, i32 %negb
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%res = sub i32 0, %sel
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ret i32 %res
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}
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define i32 @negneg_select_nega(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: negneg_select_nega:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: csneg w0, w1, w0, eq
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; CHECK-NEXT: ret
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%nega = sub i32 0, %a
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%sel = select i1 %bb, i32 %nega, i32 %b
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%nsel = sub i32 0, %sel
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%res = sub i32 0, %nsel
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ret i32 %res
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}
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define i32 @neg_select_nega(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: neg_select_nega:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: csneg w0, w0, w1, ne
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; CHECK-NEXT: ret
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%nega = sub i32 0, %a
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%sel = select i1 %bb, i32 %nega, i32 %b
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%res = sub i32 0, %sel
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ret i32 %res
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}
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define i32 @neg_select_negb(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: neg_select_negb:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: csneg w0, w1, w0, eq
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; CHECK-NEXT: ret
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%negb = sub i32 0, %b
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%sel = select i1 %bb, i32 %a, i32 %negb
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%res = sub i32 0, %sel
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ret i32 %res
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}
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define i32 @neg_select_ab(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: neg_select_ab:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: csel w8, w0, w1, ne
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; CHECK-NEXT: neg w0, w8
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; CHECK-NEXT: ret
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%sel = select i1 %bb, i32 %a, i32 %b
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%res = sub i32 0, %sel
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ret i32 %res
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}
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define i32 @neg_select_nega_with_use(i32 %a, i32 %b, i1 %bb) {
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; CHECK-LABEL: neg_select_nega_with_use:
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; CHECK: // %bb.0:
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; CHECK-NEXT: tst w2, #0x1
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; CHECK-NEXT: neg w8, w0
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; CHECK-NEXT: csneg w9, w1, w0, eq
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; CHECK-NEXT: sub w0, w8, w9
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; CHECK-NEXT: ret
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%nega = sub i32 0, %a
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%sel = select i1 %bb, i32 %nega, i32 %b
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%nsel = sub i32 0, %sel
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%res = add i32 %nsel, %nega
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ret i32 %res
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}
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