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https://github.com/c64scene-ar/llvm-6502.git
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47 lines
1.0 KiB
LLVM
47 lines
1.0 KiB
LLVM
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; RUN: llc -O3 -march=aarch64 < %s | FileCheck %s
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define i16 @test_1cmp_signed_1(i16* %ptr1) {
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; CHECK-LABLE: @test_1cmp_signed_1
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; CHECK: ldrsh
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; CHECK-NEXT: cmn
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entry:
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%addr = getelementptr inbounds i16* %ptr1, i16 0
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%val = load i16* %addr, align 2
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%cmp = icmp eq i16 %val, -1
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br i1 %cmp, label %if, label %if.then
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if:
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ret i16 1
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if.then:
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ret i16 0
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}
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define i16 @test_1cmp_signed_2(i16* %ptr1) {
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; CHECK-LABLE: @test_1cmp_signed_2
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; CHECK: ldrsh
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; CHECK-NEXT: cmn
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entry:
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%addr = getelementptr inbounds i16* %ptr1, i16 0
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%val = load i16* %addr, align 2
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%cmp = icmp sge i16 %val, -1
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br i1 %cmp, label %if, label %if.then
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if:
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ret i16 1
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if.then:
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ret i16 0
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}
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define i16 @test_1cmp_unsigned_1(i16* %ptr1) {
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; CHECK-LABLE: @test_1cmp_unsigned_1
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; CHECK: ldrsh
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; CHECK-NEXT: cmn
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entry:
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%addr = getelementptr inbounds i16* %ptr1, i16 0
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%val = load i16* %addr, align 2
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%cmp = icmp uge i16 %val, -1
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br i1 %cmp, label %if, label %if.then
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if:
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ret i16 1
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if.then:
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ret i16 0
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}
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