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-rw-r--r--llvm/test/CodeGen/AArch64/funclet-match-add-sub-stack.ll62
1 files changed, 62 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/funclet-match-add-sub-stack.ll b/llvm/test/CodeGen/AArch64/funclet-match-add-sub-stack.ll
new file mode 100644
index 00000000000..67e9c49675c
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/funclet-match-add-sub-stack.ll
@@ -0,0 +1,62 @@
+; RUN: llc -o - %s -mtriple=aarch64-windows | FileCheck %s
+; Check that the stack bump around a funclet is computed correctly in both the
+; prologue and epilogue in the case we have a MaxCallFrameSize > 0 and are doing alloca
+target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-pc-windows-msvc19.25.28611"
+
+; // requires passing arguments on the stack
+; void test2(void*, int, int, int, int, int, int, int, int);
+;
+; // function with the funclet being checked
+; void test1(size_t bytes)
+; {
+; // alloca forces a separate callee save bump and stack bump
+; void *data = _alloca(bytes);
+; try {
+; test2(data, 0, 1, 2, 3, 4, 5, 6, 7);
+; } catch (...) {
+; // the funclet being checked
+; }
+; }
+
+; CHECK-LABEL: ?catch$2@?0??test1@@YAX_K@Z@4HA
+; CHECK: sub sp, sp, #16
+; CHECK: add sp, sp, #16
+; Function Attrs: uwtable
+define dso_local void @"?test1@@YAX_K@Z"(i64 %0) #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+ %2 = alloca i64, align 8
+ %3 = alloca i8*, align 8
+ store i64 %0, i64* %2, align 8
+ %4 = load i64, i64* %2, align 8
+ %5 = alloca i8, i64 %4, align 16
+ store i8* %5, i8** %3, align 8
+ %6 = load i8*, i8** %3, align 8
+ invoke void @"?test2@@YAXPEAXHHHHHHHH@Z"(i8* %6, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7)
+ to label %13 unwind label %7
+
+7: ; preds = %1
+ %8 = catchswitch within none [label %9] unwind to caller
+
+9: ; preds = %7
+ %10 = catchpad within %8 [i8* null, i32 64, i8* null]
+ catchret from %10 to label %11
+
+11: ; preds = %9
+ br label %12
+
+12: ; preds = %11, %13
+ ret void
+
+13: ; preds = %1
+ br label %12
+}
+
+declare dso_local void @"?test2@@YAXPEAXHHHHHHHH@Z"(i8*, i32, i32, i32, i32, i32, i32, i32, i32) #1
+
+declare dso_local i32 @__CxxFrameHandler3(...)
+
+attributes #0 = { uwtable }
+
+!llvm.module.flags = !{!0}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
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