diff options
Diffstat (limited to 'llvm/test/Transforms/StructurizeCFG/bug36015.ll')
-rw-r--r-- | llvm/test/Transforms/StructurizeCFG/bug36015.ll | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/llvm/test/Transforms/StructurizeCFG/bug36015.ll b/llvm/test/Transforms/StructurizeCFG/bug36015.ll deleted file mode 100644 index 24b9c9cdde2..00000000000 --- a/llvm/test/Transforms/StructurizeCFG/bug36015.ll +++ /dev/null @@ -1,53 +0,0 @@ -; RUN: opt -S -structurizecfg %s | FileCheck %s - -; r321751 introduced a bug where control flow branching from if to exit was -; not handled properly and instead ended up in an infinite loop. -define void @bug36015(i32 %cmp0, i32 %count) { -entry: - br label %loop.outer - -loop.outer: - %ctr.loop.outer = phi i32 [ 0, %entry ], [ %ctr.else, %else ] - call void @foo(i32 0) - br label %loop.inner - -loop.inner: - %ctr.loop.inner = phi i32 [ %ctr.loop.outer, %loop.outer ], [ %ctr.if, %if ] - call void @foo(i32 1) - %cond.inner = icmp eq i32 %cmp0, %ctr.loop.inner - br i1 %cond.inner, label %if, label %else - -; CHECK: if: -; CHECK: %0 = xor i1 %cond.if, true -; CHECK: br label %Flow -if: - %ctr.if = add i32 %ctr.loop.inner, 1 - call void @foo(i32 2) - %cond.if = icmp slt i32 %ctr.if, %count - br i1 %cond.if, label %loop.inner, label %exit - -; CHECK: Flow: -; CHECK: %2 = phi i1 [ %0, %if ], [ true, %loop.inner ] -; CHECK: %3 = phi i1 [ false, %if ], [ true, %loop.inner ] -; CHECK: br i1 %2, label %Flow1, label %loop.inner - -; CHECK: Flow1: -; CHECK: br i1 %3, label %else, label %Flow2 - -; CHECK: else: -; CHECK: br label %Flow2 -else: - %ctr.else = add i32 %ctr.loop.inner, 1 - call void @foo(i32 3) - %cond.else = icmp slt i32 %ctr.else, %count - br i1 %cond.else, label %loop.outer, label %exit - -; CHECK: Flow2: -; CHECK: %6 = phi i1 [ %4, %else ], [ true, %Flow1 ] -; CHECK: br i1 %6, label %exit, label %loop.outer - -exit: - ret void -} - -declare void @foo(i32) |