diff options
Diffstat (limited to 'llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll')
| -rw-r--r-- | llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll b/llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll new file mode 100644 index 00000000000..cb12befcf46 --- /dev/null +++ b/llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll @@ -0,0 +1,34 @@ +; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.14.0" + +; CHECK-LABEL: define {{.*}}@foo( +; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ] + +; CHECK-LABEL: define {{.*}}@foo.cold.1( +; CHECK: call {{.*}}@sink +; CHECK: %p.ce = phi i32 [ 1, %coldbb ], [ 3, %coldbb2 ] +; CHECK-NEXT: store i32 %p.ce, i32* %p.ce.out + +define void @foo(i32 %cond) { +entry: + %tobool = icmp eq i32 %cond, 0 + br i1 %tobool, label %if.end, label %coldbb + +coldbb: + call void @sink() + call void @sideeffect() + br i1 undef, label %if.end, label %coldbb2 + +coldbb2: + br label %if.end + +if.end: + %p = phi i32 [0, %entry], [1, %coldbb], [3, %coldbb2] + ret void +} + +declare void @sink() cold + +declare void @sideeffect() |
