diff options
| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-10-01 18:05:30 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-10-01 18:05:30 +0000 |
| commit | 517d84e268fb90ca98cd765fc1699cd81f7d5f28 (patch) | |
| tree | e66b0c812d8d9e0c11ff1b5a61d9457ecfcb082d /llvm/test | |
| parent | 8cc523f5f7a5c89f036d14d37c8048f95d20a6d6 (diff) | |
| download | bcm5719-llvm-517d84e268fb90ca98cd765fc1699cd81f7d5f28.tar.gz bcm5719-llvm-517d84e268fb90ca98cd765fc1699cd81f7d5f28.zip | |
Don't merge tiny functions.
It's silly to merge functions like these:
define void @foo(i32 %x) {
ret void
}
define void @bar(i32 %x) {
ret void
}
to get
define void @bar(i32) {
tail call void @foo(i32 %0)
ret void
}
llvm-svn: 191786
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/MergeFunc/merge-ptr-and-int.ll | 13 | ||||
| -rw-r--r-- | llvm/test/Transforms/MergeFunc/too-small.ll | 14 |
2 files changed, 25 insertions, 2 deletions
diff --git a/llvm/test/Transforms/MergeFunc/merge-ptr-and-int.ll b/llvm/test/Transforms/MergeFunc/merge-ptr-and-int.ll index 7a178a21139..4e887cec906 100644 --- a/llvm/test/Transforms/MergeFunc/merge-ptr-and-int.ll +++ b/llvm/test/Transforms/MergeFunc/merge-ptr-and-int.ll @@ -1,18 +1,27 @@ ; RUN: opt -S -mergefunc < %s | FileCheck %s 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-S128" -; CHECK-LABEL: f0 + +declare void @stuff() + +; CHECK-LABEL: @f0( define void @f0(i64 %p0) { entry: + call void @stuff() + call void @stuff() + call void @stuff() ret void } -; CHECK-LABEL: f1 +; CHECK-LABEL: @f1( ; CHECK: ptrtoint i64* ; CHECK: tail call void @f0(i64 define void @f1(i64* %p0) { entry: + call void @stuff() + call void @stuff() + call void @stuff() ret void } diff --git a/llvm/test/Transforms/MergeFunc/too-small.ll b/llvm/test/Transforms/MergeFunc/too-small.ll new file mode 100644 index 00000000000..1a526ffd50a --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/too-small.ll @@ -0,0 +1,14 @@ +; RUN: opt -S -mergefunc < %s | FileCheck %s + +define void @foo(i32 %x) { +; CHECK-LABEL: @foo( +; CHECK-NOT: call + ret void +} + +define void @bar(i32 %x) { +; CHECK-LABEL: @bar( +; CHECK-NOT: call + ret void +} + |
