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4e28e103f7
Summary: InlineFunction can fail, for example when trying to inline vararg fuctions. In those cases, we do not want to bump partial inlining counters or set AnyInlined to true, because this could leave an unused function hanging around. Reviewers: davidxl, davide, gyiu Reviewed By: davide Subscribers: llvm-commits, eraman Differential Revision: https://reviews.llvm.org/D39581 llvm-svn: 317314
46 lines
1.4 KiB
LLVM
46 lines
1.4 KiB
LLVM
; RUN: opt < %s -partial-inliner -S -stats -pass-remarks=partial-inlining 2>&1 | FileCheck %s
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; RUN: opt < %s -passes=partial-inliner -S -stats -pass-remarks=partial-inlining 2>&1 | FileCheck %s
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@stat = external global i32, align 4
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define i32 @inline_fail(i32 %count, ...) {
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entry:
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%vargs = alloca i8*, align 8
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%vargs1 = bitcast i8** %vargs to i8*
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call void @llvm.va_start(i8* %vargs1)
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%stat1 = load i32, i32* @stat, align 4
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%cmp = icmp slt i32 %stat1, 0
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br i1 %cmp, label %bb2, label %bb1
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bb1: ; preds = %entry
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%vg1 = add nsw i32 %stat1, 1
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store i32 %vg1, i32* @stat, align 4
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%va1 = va_arg i8** %vargs, i32
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call void @foo(i32 %count, i32 %va1) #2
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br label %bb2
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bb2: ; preds = %bb1, %entry
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%res = phi i32 [ 1, %bb1 ], [ 0, %entry ]
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call void @llvm.va_end(i8* %vargs1)
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ret i32 %res
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}
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define i32 @caller(i32 %arg) {
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bb:
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%res = tail call i32 (i32, ...) @inline_fail(i32 %arg, i32 %arg)
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ret i32 %res
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}
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declare void @foo(i32, i32)
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declare void @llvm.va_start(i8*)
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declare void @llvm.va_end(i8*)
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; Check that no remarks have been emitted, inline_fail has not been partial
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; inlined, no code has been extracted and the partial-inlining counter
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; has not been incremented.
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; CHECK-NOT: remark
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; CHECK: tail call i32 (i32, ...) @inline_fail(i32 %arg, i32 %arg)
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; CHECK-NOT: inline_fail.1_bb1
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; CHECK-NOT: partial-inlining
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