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https://github.com/c64scene-ar/llvm-6502.git
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37 lines
813 B
LLVM
37 lines
813 B
LLVM
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; RUN: llc -verify-machineinstrs -aarch64-atomic-cfg-tidy=0 < %s -mtriple=aarch64-none-eabihf -fast-isel=false | FileCheck %s
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define i32 @ule_64_max(i64 %p) {
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entry:
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; CHECK-LABEL: ule_64_max:
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; CHECK: cmn x0, #1
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; CHECK: b.hi [[RET_ZERO:.LBB[0-9]+_[0-9]+]]
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%cmp = icmp ule i64 %p, 18446744073709551615 ; 0xffffffffffffffff
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br i1 %cmp, label %ret_one, label %ret_zero
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ret_one:
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ret i32 1
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ret_zero:
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; CHECK: [[RET_ZERO]]:
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; CHECK-NEXT: mov w0, wzr
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ret i32 0
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}
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define i32 @ugt_64_max(i64 %p) {
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entry:
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; CHECK-LABEL: ugt_64_max:
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; CHECK: cmn x0, #1
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; CHECK: b.ls [[RET_ZERO:.LBB[0-9]+_[0-9]+]]
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%cmp = icmp ugt i64 %p, 18446744073709551615 ; 0xffffffffffffffff
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br i1 %cmp, label %ret_one, label %ret_zero
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ret_one:
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ret i32 1
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ret_zero:
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; CHECK: [[RET_ZERO]]:
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; CHECK-NEXT: mov w0, wzr
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ret i32 0
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}
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