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-rw-r--r--test/Transforms/InstCombine/token.ll89
1 files changed, 89 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/token.ll b/test/Transforms/InstCombine/token.ll
new file mode 100644
index 000000000000..0929cf7ebee1
--- /dev/null
+++ b/test/Transforms/InstCombine/token.ll
@@ -0,0 +1,89 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc18.0.0"
+
+declare i32 @__CxxFrameHandler3(...)
+
+define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
+bb:
+ unreachable
+
+unreachable:
+ %cl = cleanuppad within none []
+ cleanupret from %cl unwind to caller
+}
+
+; CHECK-LABEL: define void @test1(
+; CHECK: unreachable:
+; CHECK: %cl = cleanuppad within none []
+; CHECK: cleanupret from %cl unwind to caller
+
+define void @test2(i8 %A, i8 %B) personality i32 (...)* @__CxxFrameHandler3 {
+bb:
+ %X = zext i8 %A to i32
+ invoke void @g(i32 0)
+ to label %cont
+ unwind label %catch
+
+cont:
+ %Y = zext i8 %B to i32
+ invoke void @g(i32 0)
+ to label %unreachable
+ unwind label %catch
+
+catch:
+ %phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
+ %cs = catchswitch within none [label %doit] unwind to caller
+
+doit:
+ %cl = catchpad within %cs []
+ call void @g(i32 %phi)
+ unreachable
+
+unreachable:
+ unreachable
+}
+
+; CHECK-LABEL: define void @test2(
+; CHECK: %X = zext i8 %A to i32
+; CHECK: %Y = zext i8 %B to i32
+; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
+
+define void @test3(i8 %A, i8 %B) personality i32 (...)* @__CxxFrameHandler3 {
+bb:
+ %X = zext i8 %A to i32
+ invoke void @g(i32 0)
+ to label %cont
+ unwind label %catch
+
+cont:
+ %Y = zext i8 %B to i32
+ invoke void @g(i32 0)
+ to label %cont2
+ unwind label %catch
+
+cont2:
+ invoke void @g(i32 0)
+ to label %unreachable
+ unwind label %catch
+
+catch:
+ %phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
+ %cs = catchswitch within none [label %doit] unwind to caller
+
+doit:
+ %cl = catchpad within %cs []
+ call void @g(i32 %phi)
+ unreachable
+
+unreachable:
+ unreachable
+}
+
+; CHECK-LABEL: define void @test3(
+; CHECK: %X = zext i8 %A to i32
+; CHECK: %Y = zext i8 %B to i32
+; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
+
+
+declare void @g(i32)