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authorDimitry Andric <dim@FreeBSD.org>2019-03-04 18:25:41 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-03-04 18:25:41 +0000
commit1d6bb9f4171028bd0eb3dfcb59f42b28c279d4be (patch)
treebd5f9425e10e6616a37eac0815b3566ba1132430 /test/CodeGen/AArch64/wineh-try-catch-cbz.ll
parentbd7f07563c83e00dae23ea41c0fc4f95995e50cb (diff)
downloadsrc-vendor/llvm/llvm-release_80-r355313.tar.gz
src-vendor/llvm/llvm-release_80-r355313.zip
Vendor import of llvm release_80 branch r355313:vendor/llvm/llvm-release_80-r355313
Diffstat (limited to 'test/CodeGen/AArch64/wineh-try-catch-cbz.ll')
-rw-r--r--test/CodeGen/AArch64/wineh-try-catch-cbz.ll40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/wineh-try-catch-cbz.ll b/test/CodeGen/AArch64/wineh-try-catch-cbz.ll
new file mode 100644
index 000000000000..7c64328f0a7d
--- /dev/null
+++ b/test/CodeGen/AArch64/wineh-try-catch-cbz.ll
@@ -0,0 +1,40 @@
+; RUN: llc < %s | FileCheck %s
+
+; Make sure the prologue is sane. (Doesn't need to exactly match this,
+; but the original issue only reproduced if the cbz was immediately
+; after the frame setup.)
+
+; CHECK: sub sp, sp, #32
+; CHECK-NEXT: stp x29, x30, [sp, #16]
+; CHECK-NEXT: add x29, sp, #16
+; CHECK-NEXT: orr x1, xzr, #0xfffffffffffffffe
+; CHECK-NEXT: stur x1, [x29, #-16]
+; CHECK-NEXT: cbz w0, .LBB0_2
+
+target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-unknown-windows-msvc19.11.0"
+
+; Function Attrs: uwtable
+define dso_local void @"?f@@YAXH@Z"(i32 %x) local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %cmp = icmp eq i32 %x, 0
+ br i1 %cmp, label %try.cont, label %if.then
+
+if.then: ; preds = %entry
+ invoke void @"?g@@YAXXZ"()
+ to label %try.cont unwind label %catch.dispatch
+
+catch.dispatch: ; preds = %if.then
+ %0 = catchswitch within none [label %catch] unwind to caller
+
+catch: ; preds = %catch.dispatch
+ %1 = catchpad within %0 [i8* null, i32 64, i8* null]
+ catchret from %1 to label %try.cont
+
+try.cont: ; preds = %entry, %if.then, %catch
+ ret void
+}
+
+declare dso_local void @"?g@@YAXXZ"() local_unnamed_addr #1
+
+declare dso_local i32 @__CxxFrameHandler3(...)