| ; RUN: opt -S -passes=jump-threading,verify < %s | FileCheck %s |
| |
| target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc19.16.27026" |
| |
| ; Verify that we do *not* thread any edge. On Windows, we used to |
| ; improperly duplicate EH pads like bb_cleanup below, resulting in an |
| ; assertion failure later down the pass pipeline. |
| define void @foo(ptr %0) personality ptr @baz { |
| ; CHECK-LABEL: @foo |
| ; CHECK-NOT: bb_{{[^ ]*}}.thread: |
| entry: |
| invoke void @bar() |
| to label %bb_invoke unwind label %bb_cleanuppad |
| |
| bb_invoke: |
| invoke void @bar() |
| to label %bb_exit unwind label %bb_cleanuppad |
| |
| bb_cleanuppad: |
| %index = phi i64 [ 1, %bb_invoke ], [ 0, %entry ] |
| %cond1 = phi i1 [ false, %bb_invoke ], [ true, %entry ] |
| %1 = cleanuppad within none [] |
| br i1 %cond1, label %bb_action, label %bb_cleanupret |
| |
| bb_action: |
| %cond2 = icmp eq i64 %index, 0 |
| br i1 %cond2, label %bb_cleanupret, label %bb_exit |
| |
| bb_exit: |
| call void @bar() |
| ret void |
| |
| bb_cleanupret: |
| cleanupret from %1 unwind to caller |
| } |
| |
| declare void @bar() |
| declare i32 @baz() |
