diff test/Transforms/InstCombine/token.ll @ 100:7d135dc70f03 LLVM 3.9

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Transforms/InstCombine/token.ll	Tue Jan 26 22:53:40 2016 +0900
@@ -0,0 +1,106 @@
+; 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 @foo()
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+
+define void @test4(i8 addrspace(1)* %obj) gc "statepoint-example" {
+bb:
+  unreachable
+
+unreachable:
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  ret void
+}
+
+; CHECK-LABEL: define void @test4(
+; CHECK: unreachable:
+; CHECK:   call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+; CHECK:   ret void
+
+
+declare void @g(i32)