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ad40523f14
A ``swifterror`` attribute can be applied to a function parameter or an AllocaInst. This commit does not include any target-specific change. The target-specific optimization will come as a follow-up patch. Differential Revision: http://reviews.llvm.org/D18092 llvm-svn: 265189
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
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%swift_error = type {i64, i8}
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; CHECK: swifterror value can only be loaded and stored from, or as a swifterror argument!
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; CHECK: %swift_error** %error_ptr_ref
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; CHECK: %t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
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define float @foo(%swift_error** swifterror %error_ptr_ref) {
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%t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
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ret float 1.0
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}
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; CHECK: swifterror argument for call has mismatched alloca
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; CHECK: %error_ptr_ref = alloca %swift_error*
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; CHECK: %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
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define float @caller(i8* %error_ref) {
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entry:
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%error_ptr_ref = alloca %swift_error*
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store %swift_error* null, %swift_error** %error_ptr_ref
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%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
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ret float 1.0
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}
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; CHECK: Cannot have multiple 'swifterror' parameters!
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declare void @a(i32** swifterror %a, i32** swifterror %b)
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; CHECK: Attribute 'swifterror' only applies to parameters with pointer type!
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declare void @b(i32 swifterror %a)
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; CHECK: Attribute 'swifterror' only applies to parameters with pointer to pointer type!
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declare void @c(i32* swifterror %a)
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