Commit 0027511

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round pointer to alignment without going via int

1 parent 1bc901e commit 0027511Copy full SHA for 0027511

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Lines changed: 6 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -28,9 +28,12 @@ fn round_pointer_up_to_alignment<'ll>(`
`28`	`28`	`align: Align,`
`29`	`29`	`ptr_ty: &'ll Type,`
`30`	`30`	`) -> &'ll Value {`
`31`		`- let mut ptr_as_int = bx.ptrtoint(addr, bx.cx().type_isize());`
`32`		`- ptr_as_int = round_up_to_alignment(bx, ptr_as_int, align);`
`33`		`- bx.inttoptr(ptr_as_int, ptr_ty)`
	`31`	`+ let ptr = bx.inbounds_ptradd(addr, bx.const_i32(align.bytes() as i32 - 1));`
	`32`	`+ bx.call_intrinsic(`
	`33`	`+ "llvm.ptrmask",`
	`34`	`+ &[ptr_ty, bx.type_i32()],`
	`35`	`+ &[ptr, bx.const_int(bx.isize_ty, -(align.bytes() as isize) as i64)],`
	`36`	`+ )`
`34`	`37`	`}`
`35`	`38`
`36`	`39`	`fn emit_direct_ptr_va_arg<'ll, 'tcx>(`

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