79 lines
2.0 KiB
LLVM
79 lines
2.0 KiB
LLVM
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; RUN: llc -mtriple x86_64-pc-windows-msvc -o - %s | FileCheck %s
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; struct S { int x; };
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; void foo() {
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; struct S __declspec(align(32)) o;
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; __try { o.x; }
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; __finally { o.x; }
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; }
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; void bar() {
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; struct S o;
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; __try { o.x; }
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; __finally { o.x; }
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; }
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%struct.S = type { i32 }
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define dso_local void @"?foo@@YAXXZ"() #0 {
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entry:
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; CHECK-LABEL: foo
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; CHECK: movq %rsp, %rdx
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; CHECK-NOT: movq %rbp, %rdx
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%o = alloca %struct.S, align 32
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call void (...) @llvm.localescape(%struct.S* %o)
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%x = getelementptr inbounds %struct.S, %struct.S* %o, i32 0, i32 0
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%0 = call i8* @llvm.localaddress()
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call void @"?fin$0@0@foo@@"(i8 0, i8* %0)
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ret void
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}
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; void bar(void)
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; {
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; int x;
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; void (*fn)(int);
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;
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; __try {
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; x = 1;
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; fn(x);
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; } __finally {
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; x = 2;
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; }
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; }
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define dso_local void @"?bar@@YAXXZ"() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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; CHECK-LABEL: bar
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; CHECK: movq %rbp, %rdx
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; CHECK-NOT: movq %rsp, %rdx
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%x = alloca i32, align 4
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%fn = alloca void (i32)*, align 8
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call void (...) @llvm.localescape(i32* %x)
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store i32 1, i32* %x, align 4
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%0 = load void (i32)*, void (i32)** %fn, align 8
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%1 = load i32, i32* %x, align 4
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invoke void %0(i32 %1)
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to label %invoke.cont unwind label %ehcleanup
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invoke.cont: ; preds = %entry
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%2 = call i8* @llvm.localaddress()
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call void @"?fin$0@0@bar@@"(i8 0, i8* %2)
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ret void
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ehcleanup: ; preds = %entry
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%3 = cleanuppad within none []
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%4 = call i8* @llvm.localaddress()
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call void @"?fin$0@0@bar@@"(i8 1, i8* %4) [ "funclet"(token %3) ]
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cleanupret from %3 unwind to caller
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}
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declare void @"?fin$0@0@foo@@"(i8 %abnormal_termination, i8* %frame_pointer)
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declare void @"?fin$0@0@bar@@"(i8 %abnormal_termination, i8* %frame_pointer)
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declare i8* @llvm.localrecover(i8*, i8*, i32)
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declare i8* @llvm.localaddress()
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declare void @llvm.localescape(...)
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declare dso_local i32 @__C_specific_handler(...)
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