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https://github.com/c64scene-ar/llvm-6502.git
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68 lines
1.4 KiB
LLVM
68 lines
1.4 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=msp430 | FileCheck %s
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target datalayout = "e-p:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:16:16"
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target triple = "msp430-generic-generic"
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define i16 @am1(i16* %a) nounwind {
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%1 = load i16* %a
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ret i16 %1
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}
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; CHECK: am1:
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; CHECK: mov.w 0(r15), r15
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@foo = external global i16
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define i16 @am2() nounwind {
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%1 = load i16* @foo
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ret i16 %1
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}
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; CHECK: am2:
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; CHECK: mov.w &foo, r15
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@bar = internal constant [2 x i8] [ i8 32, i8 64 ]
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define i8 @am3(i16 %n) nounwind {
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%1 = getelementptr [2 x i8]* @bar, i16 0, i16 %n
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%2 = load i8* %1
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ret i8 %2
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}
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; CHECK: am3:
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; CHECK: mov.b &bar(r15), r15
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define i16 @am4() nounwind {
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%1 = volatile load i16* inttoptr(i16 32 to i16*)
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ret i16 %1
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}
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; CHECK: am4:
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; CHECK: mov.w &32, r15
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define i16 @am5(i16* %a) nounwind {
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%1 = getelementptr i16* %a, i16 2
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%2 = load i16* %1
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ret i16 %2
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}
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; CHECK: am5:
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; CHECK: mov.w 4(r15), r15
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%S = type { i16, i16 }
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@baz = common global %S zeroinitializer, align 1
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define i16 @am6() nounwind {
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%1 = load i16* getelementptr (%S* @baz, i32 0, i32 1)
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ret i16 %1
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}
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; CHECK: am6:
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; CHECK: mov.w &baz+2, r15
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%T = type { i16, [2 x i8] }
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@duh = internal constant %T { i16 16, [2 x i8][i8 32, i8 64 ] }
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define i8 @am7(i16 %n) nounwind {
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%1 = getelementptr %T* @duh, i32 0, i32 1
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%2 = getelementptr [2 x i8]* %1, i16 0, i16 %n
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%3= load i8* %2
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ret i8 %3
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}
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; CHECK: am7:
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; CHECK: mov.b &duh+2(r15), r15
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