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6c7ccaa3fd
- BlockAddress has no support of BA + offset form and there is no way to propagate that offset into machine operand; - Add BA + offset support and a new interface 'getTargetBlockAddress' to simplify target block address forming; - All targets are modified to use new interface and X86 backend is enhanced to support BA + offset addressing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163743 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
675 B
LLVM
20 lines
675 B
LLVM
; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=prescott | FileCheck %s
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define float @foo(i8* nocapture %buf, float %a, float %b) nounwind uwtable {
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %buf, i8* blockaddress(@foo, %out), i64 22, i32 1, i1 false)
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br label %out
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out: ; preds = %entry
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%add = fadd float %a, %b
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ret float %add
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; CHECK: foo
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; CHECK: movw .L{{.*}}+20(%rip), %{{.*}}
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; CHECK: movl .L{{.*}}+16(%rip), %{{.*}}
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; CHECK: movq .L{{.*}}+8(%rip), %{{.*}}
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; CHECK: movq .L{{.*}}(%rip), %{{.*}}
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; CHECK: ret
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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