108 lines
3.2 KiB
LLVM
108 lines
3.2 KiB
LLVM
; RUN: opt < %s -partial-inliner -S -skip-partial-inlining-cost-analysis | FileCheck %s
|
|
; RUN: opt < %s -passes=partial-inliner -S -skip-partial-inlining-cost-analysis | FileCheck %s
|
|
|
|
@stat = external global i32, align 4
|
|
|
|
define i32 @vararg(i32 %count, ...) {
|
|
entry:
|
|
%vargs = alloca i8*, align 8
|
|
%stat1 = load i32, i32* @stat, align 4
|
|
%cmp = icmp slt i32 %stat1, 0
|
|
br i1 %cmp, label %bb2, label %bb1
|
|
|
|
bb1: ; preds = %entry
|
|
%vg1 = add nsw i32 %stat1, 1
|
|
store i32 %vg1, i32* @stat, align 4
|
|
%vargs1 = bitcast i8** %vargs to i8*
|
|
call void @llvm.va_start(i8* %vargs1)
|
|
%va1 = va_arg i8** %vargs, i32
|
|
call void @foo(i32 %count, i32 %va1) #2
|
|
call void @llvm.va_end(i8* %vargs1)
|
|
br label %bb2
|
|
|
|
bb2: ; preds = %bb1, %entry
|
|
%res = phi i32 [ 1, %bb1 ], [ 0, %entry ]
|
|
ret i32 %res
|
|
}
|
|
|
|
declare void @foo(i32, i32)
|
|
declare void @llvm.va_start(i8*)
|
|
declare void @llvm.va_end(i8*)
|
|
|
|
define i32 @caller1(i32 %arg) {
|
|
bb:
|
|
%tmp = tail call i32 (i32, ...) @vararg(i32 %arg)
|
|
ret i32 %tmp
|
|
}
|
|
; CHECK-LABEL: @caller1
|
|
; CHECK: codeRepl.i:
|
|
; CHECK-NEXT: call void (i32, i8**, i32, ...) @vararg.3.bb1(i32 %stat1.i, i8** %vargs.i, i32 %arg)
|
|
|
|
define i32 @caller2(i32 %arg, float %arg2) {
|
|
bb:
|
|
%tmp = tail call i32 (i32, ...) @vararg(i32 %arg, i32 10, float %arg2)
|
|
ret i32 %tmp
|
|
}
|
|
|
|
; CHECK-LABEL: @caller2
|
|
; CHECK: codeRepl.i:
|
|
; CHECK-NEXT: call void (i32, i8**, i32, ...) @vararg.3.bb1(i32 %stat1.i, i8** %vargs.i, i32 %arg, i32 10, float %arg2)
|
|
|
|
; Test case to check that we do not extract a vararg function, if va_end is in
|
|
; a block that is not outlined.
|
|
define i32 @vararg_not_legal(i32 %count, ...) {
|
|
entry:
|
|
%vargs = alloca i8*, align 8
|
|
%vargs0 = bitcast i8** %vargs to i8*
|
|
%stat1 = load i32, i32* @stat, align 4
|
|
%cmp = icmp slt i32 %stat1, 0
|
|
br i1 %cmp, label %bb2, label %bb1
|
|
|
|
bb1: ; preds = %entry
|
|
%vg1 = add nsw i32 %stat1, 1
|
|
store i32 %vg1, i32* @stat, align 4
|
|
%vargs1 = bitcast i8** %vargs to i8*
|
|
call void @llvm.va_start(i8* %vargs1)
|
|
%va1 = va_arg i8** %vargs, i32
|
|
call void @foo(i32 %count, i32 %va1)
|
|
br label %bb2
|
|
|
|
bb2: ; preds = %bb1, %entry
|
|
%res = phi i32 [ 1, %bb1 ], [ 0, %entry ]
|
|
%ptr = phi i8* [ %vargs1, %bb1 ], [ %vargs0, %entry]
|
|
call void @llvm.va_end(i8* %ptr)
|
|
ret i32 %res
|
|
}
|
|
|
|
; CHECK-LABEL: @caller3
|
|
; CHECK: tail call i32 (i32, ...) @vararg_not_legal(i32 %arg, i32 %arg)
|
|
define i32 @caller3(i32 %arg) {
|
|
bb:
|
|
%res = tail call i32 (i32, ...) @vararg_not_legal(i32 %arg, i32 %arg)
|
|
ret i32 %res
|
|
}
|
|
|
|
declare i32* @err(i32*)
|
|
|
|
define signext i32 @vararg2(i32 * %l, ...) {
|
|
entry:
|
|
br i1 undef, label %cleanup, label %cond.end
|
|
|
|
cond.end: ; preds = %entry
|
|
%call51 = call i32* @err(i32* nonnull %l)
|
|
unreachable
|
|
|
|
cleanup: ; preds = %entry
|
|
ret i32 0
|
|
}
|
|
|
|
define i32* @caller_with_signext(i32* %foo) {
|
|
entry:
|
|
%call1 = tail call signext i32 (i32*, ...) @vararg2(i32* %foo, i32 signext 8)
|
|
unreachable
|
|
}
|
|
|
|
; CHECK-LABEL: @caller_with_signext
|
|
; CHECK: codeRepl.i:
|
|
; CHECK-NEXT: call void (i32*, ...) @vararg2.1.cond.end(i32* %foo, i32 signext 8)
|