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authorEric Christopher <echristo@gmail.com>2019-04-17 04:52:47 +0000
committerEric Christopher <echristo@gmail.com>2019-04-17 04:52:47 +0000
commitcee313d288a4faf0355d76fb6e0e927e211d08a5 (patch)
treed386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll
parentc3d6a929fdd92fd06d4304675ade8d7210ee711a (diff)
downloadbcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz
bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll')
-rw-r--r--llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll49
1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll b/llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll
new file mode 100644
index 00000000000..16da5315db0
--- /dev/null
+++ b/llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll
@@ -0,0 +1,49 @@
+; RUN: opt -globalopt -S -o - < %s | FileCheck %s
+
+@glbl = internal global i8* null
+
+define void @test1a() {
+; CHECK-LABEL: @test1a(
+; CHECK-NOT: store
+; CHECK-NEXT: ret void
+ store i8* null, i8** @glbl
+ ret void
+}
+
+define void @test1b(i8* %p) {
+; CHECK-LABEL: @test1b(
+; CHECK-NEXT: store
+; CHECK-NEXT: ret void
+ store i8* %p, i8** @glbl
+ ret void
+}
+
+define void @test2() {
+; CHECK-LABEL: @test2(
+; CHECK: alloca i8
+ %txt = alloca i8
+ call void @foo2(i8* %txt)
+ %call2 = call i8* @strdup(i8* %txt)
+ store i8* %call2, i8** @glbl
+ ret void
+}
+declare i8* @strdup(i8*)
+declare void @foo2(i8*)
+
+define void @test3() uwtable personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 {
+; CHECK-LABEL: @test3(
+; CHECK-NOT: bb1:
+; CHECK-NOT: bb2:
+; CHECK: invoke
+ %ptr = invoke i8* @_Znwm(i64 1)
+ to label %bb1 unwind label %bb2
+bb1:
+ store i8* %ptr, i8** @glbl
+ unreachable
+bb2:
+ %tmp1 = landingpad { i8*, i32 }
+ cleanup
+ resume { i8*, i32 } %tmp1
+}
+declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
+declare i8* @_Znwm(i64)
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