89 lines
2.3 KiB
LLVM
89 lines
2.3 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=aarch64-none-elf -verify-machineinstrs %s -o - | FileCheck %s
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define i32 @from_cmpeq(i32 %xx, i32 %y) {
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; CHECK-LABEL: from_cmpeq:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w1, #0x1
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; CHECK-NEXT: cmp w0, #9
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; CHECK-NEXT: csel w0, w8, wzr, eq
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; CHECK-NEXT: ret
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%x = icmp eq i32 %xx, 9
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%masked = and i32 %y, 1
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%r = select i1 %x, i32 %masked, i32 0
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ret i32 %r
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}
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define i32 @from_cmpeq_fail_bad_andmask(i32 %xx, i32 %y) {
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; CHECK-LABEL: from_cmpeq_fail_bad_andmask:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w1, #0x3
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; CHECK-NEXT: cmp w0, #9
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; CHECK-NEXT: csel w0, w8, wzr, eq
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; CHECK-NEXT: ret
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%x = icmp eq i32 %xx, 9
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%masked = and i32 %y, 3
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%r = select i1 %x, i32 %masked, i32 0
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ret i32 %r
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}
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define i32 @from_i1(i1 %x, i32 %y) {
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; CHECK-LABEL: from_i1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w0, w1
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; CHECK-NEXT: and w0, w8, #0x1
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; CHECK-NEXT: ret
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%masked = and i32 %y, 1
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%r = select i1 %x, i32 %masked, i32 0
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ret i32 %r
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}
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define i32 @from_trunc_i8(i8 %xx, i32 %y) {
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; CHECK-LABEL: from_trunc_i8:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w0, w1
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; CHECK-NEXT: and w0, w8, #0x1
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; CHECK-NEXT: ret
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%masked = and i32 %y, 1
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%x = trunc i8 %xx to i1
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%r = select i1 %x, i32 %masked, i32 0
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ret i32 %r
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}
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define i32 @from_trunc_i64(i64 %xx, i32 %y) {
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; CHECK-LABEL: from_trunc_i64:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w0, w1
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; CHECK-NEXT: and w0, w8, #0x1
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; CHECK-NEXT: ret
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%masked = and i32 %y, 1
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%x = trunc i64 %xx to i1
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%r = select i1 %x, i32 %masked, i32 0
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ret i32 %r
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}
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define i32 @from_i1_fail_bad_select0(i1 %x, i32 %y) {
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; CHECK-LABEL: from_i1_fail_bad_select0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w1, #0x1
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; CHECK-NEXT: tst w0, #0x1
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; CHECK-NEXT: csinc w0, w8, wzr, ne
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; CHECK-NEXT: ret
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%masked = and i32 %y, 1
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%r = select i1 %x, i32 %masked, i32 1
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ret i32 %r
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}
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define i32 @from_i1_fail_bad_select1(i1 %x, i32 %y) {
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; CHECK-LABEL: from_i1_fail_bad_select1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w8, w1, #0x1
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; CHECK-NEXT: tst w0, #0x1
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; CHECK-NEXT: csel w0, wzr, w8, ne
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; CHECK-NEXT: ret
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%masked = and i32 %y, 1
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%r = select i1 %x, i32 0, i32 %masked
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ret i32 %r
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}
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