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3a1d9fe91a
most of the inliner test cases. The inliner involves a bunch of interesting code and tends to be where most of the issues I've seen experimenting with the new PM lie. All of these test cases pass, but I'd like to keep some more thorough coverage here so doing a fairly blanket enabling. There are a handful of interesting tests I've not enabled yet because they're focused on the always inliner, or on functionality that doesn't (yet) exist in the inliner. llvm-svn: 290592
43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
; RUN: opt < %s -basicaa -tailcallelim -inline -instcombine -dse -S | FileCheck %s
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; RUN: opt < %s -aa-pipeline=basic-aa -passes='function(tailcallelim),cgscc(inline,function(instcombine,dse))' -S | FileCheck %s
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; PR7272
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; Calls that capture byval parameters cannot be marked as tail calls. Other
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; tails that don't capture byval parameters can still be tail calls.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
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target triple = "i386-pc-linux-gnu"
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declare void @ext(i32*)
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define void @bar(i32* byval %x) {
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call void @ext(i32* %x)
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ret void
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}
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define void @foo(i32* %x) {
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; CHECK-LABEL: define void @foo(
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; CHECK: llvm.lifetime.start
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; CHECK: store i32 %2, i32* %x
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call void @bar(i32* byval %x)
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ret void
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}
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define internal void @qux(i32* byval %x) {
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call void @ext(i32* %x)
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tail call void @ext(i32* null)
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ret void
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}
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define void @frob(i32* %x) {
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; CHECK-LABEL: define void @frob(
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; CHECK: %[[POS:.*]] = alloca i32
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; CHECK: %[[VAL:.*]] = load i32, i32* %x
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; CHECK: store i32 %[[VAL]], i32* %[[POS]]
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; CHECK: {{^ *}}call void @ext(i32* nonnull %[[POS]]
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; CHECK: tail call void @ext(i32* null)
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; CHECK: ret void
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tail call void @qux(i32* byval %x)
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ret void
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}
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