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https://github.com/c64scene-ar/llvm-6502.git
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23 lines
885 B
LLVM
23 lines
885 B
LLVM
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; RUN: llc -O0 --show-mc-encoding < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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; CHECK: f0:
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; CHECK: addq %rax, (%rdi)
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; CHECK: # encoding: [0xf0,0x48,0x01,0x07]
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; CHECK: ret
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define void @f0(i64* %a0) {
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%t0 = and i64 1, 1
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call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true) nounwind
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%1 = call i64 @llvm.atomic.load.add.i64.p0i64(i64* %a0, i64 %t0) nounwind
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call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true) nounwind
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ret void
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}
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declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind
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declare i32 @llvm.atomic.load.and.i32.p0i32(i32* nocapture, i32) nounwind
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declare i64 @llvm.atomic.load.add.i64.p0i64(i64* nocapture, i64) nounwind
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