24 lines
759 B
LLVM
24 lines
759 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; RUN: llc < %s -mtriple=aarch64 | FileCheck %s
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define i64 @f(i64 %0, i64 %1) {
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; CHECK-LABEL: f:
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; CHECK: // %bb.0:
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; CHECK-NEXT: orr x9, x1, #0x1
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; CHECK-NEXT: add x10, x0, x0
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; CHECK-NEXT: mov x8, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: add x9, x9, x10
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; CHECK-NEXT: lsl x10, x9, #1
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; CHECK-NEXT: cmp x9, #0
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; CHECK-NEXT: cinv x8, x8, ge
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; CHECK-NEXT: cmp x9, x10, asr #1
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; CHECK-NEXT: csel x0, x8, x10, ne
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; CHECK-NEXT: ret
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%3 = or i64 1, %1
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%4 = add i64 %3, %0
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%5 = add nsw i64 %4, %0
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%6 = call i64 @llvm.sshl.sat.i64(i64 %5, i64 1)
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ret i64 %6
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}
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declare i64 @llvm.sshl.sat.i64(i64, i64)
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